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Error and warning messages

Two types of error/warning messages could be encountered in SEAMCAT:

  • Simulation messages are produced during event generation and calculation, they are also logged to the simulation log file which is located in Log subdirectory of the Seamcat installation directory. When in batch mode they are only logged to the log file;
  • Interactive messages are displayed outside the event generation process.

Two levels of messages could be distinguished:

  • Error messages that notify the user that the current action (validation, simulation) can not be performed;
  • Warning messages inform the user of some oddity or possible inconsistency, which do not prevent the current action/simulation to be performed.

The following error and warning messages can be encountered in SEAMCAT:

Message = Context Level Description
?? is not a floating point valueInteractiveErrorOccurs when validating a data window (random or function) where a field has been left empty.
Blocking response range does not match interfering transmitter frequency and victim receiver frequency ranges in link xSimulationErrorsee Scenario consistency
C/I cannot be lower than C/N+ISimulationWarningsee Scenario consistency
Cannot modify this parameterInteractiveErrorThe batch parameter which cannot be edited : this corresponds to parameters which cannot be edited from the workspace tree view.
Cannot perform event generation : no interfering link is availableSimulationErrorA scenario must contain at least one interfering link so that a simulation can be performed.
Cannot remove batch parameter. Check whether it is still not used in a batchSimulationErrorA batch parameter cannot be removed from a workspace if it is referred to by at least one batch.
Consistency check found errors, simulation abortedSimulationErrorGlobal message issued when the Scenario consistency found errors which prevent simulation to be performed.
Correlation threshold must be greater than 0InteractiveErrorCorrelation threshold must be a positive value.
Database constraint violated at line l, Section = s Field = f Value = v, Please modify item in import file and retry importSimulationErrorOccurs when importing an item which already exist in SEAMCAT database.
Distribution must contain at least two pointsInteractiveErrorA user-defined distribution has been defined with less than two points.
Distribution encompass negative values for parameter x link ySimulationWarningA distribution spreading in the negative domain is used for a parameter such as antenna height.
dRSS and iRSS are correlated, results might be erroneous with this algorithmSimulationWarningQuick and Complete 1 algorithm should not be used when dRSS and iRSS are found to be correlated.
Error at line xInteractiveErrorGives the line at which the error occrred while importing a library file.
Error occurred while reseting resultsInteractiveErrorResults cannot be reseted because of an internal database error.
File imported with errors Please check log file f InteractiveErrorImport is unsuccessful, log file detailing errors is located in the same directory as the imported file.
Function must contain at least two points (X,Y,Z)InteractiveErrorA user-defined emission mask has been defined with less that two triplets (X, Y, Z)
Function must contain at least two points InteractiveErrorA user-defined emission mask has been defined with less that two triplets (X, Y, Z)
Hata model not applicable above 3 GHz in x in link ySimulationWarningsee Scenario consistency
Hata model not applicable below 30 MHz in x in link ySimulationWarningsee Scenario consistency
Horizontal Pattern invalidInteractiveErrorOccurs when attempting to load an horizontal pattern file where angles are not between 0 and 360.
Horizontal pattern must contain at least two pointsInteractiveErrorAn horizontal pattern has been defined with less than two points.
Import failed at line xInteractiveError Occurs when attempting to import a corrupted scenario file.
Inapropriate distribution type (Constant) for parameter x in link ySimulationWarningsee Scenario consistency
Inapropriate distribution type (Uniform angle) for parameter x in link ySimulationWarningsee Scenario consistency
Inapropriate distribution type (Uniform polar) for parameter x in link ySimulationWarningsee Scenario consistency
Inconsistency between C/I, C/N+I and I/N thresholdsSimulationWarningsee Scenario consistency
Inconsistency between C/I, C/N+I and N+I/N thresholdsSimulationWarningsee Scenario consistency
Inconsistency between N+I/N and I/N thresholdsSimulationWarningsee Scenario consistency
Inconsistency between number of interfering links and resulting signalsSimulationWarningsee Scenario consistency
Initialization exceptionSimulationErrorOccurs when calculation of coverage and simulation radius fails (typically because zero divide operation)
Interference calculation failedInteractiveErrorICE internal error.
Interference probability calculation stopped. No result will be stored in databaseSimulationWarningWhen the interference probability calculation is interrupted, no results are stored in the database.
Interference probability set to 1 since dRSS is always less than victim receiver sensitivitySimulationWarningdRSS is always below sensitivity, hence the victim receiver is always jammed.
Intermodulation rejection range does not match interfering transmitter frequency and victim receiver frequency ranges in link xSimulationErrorsee Scenario consistency
ITU-R P.1546 model not applicable above 3 GHz in link xSimulationWarningsee Scenario consistency
ITU-R P.1546 model not applicable below 30 MHz in link xSimulationWarningsee Scenario consistency
Minimum distance must be less than maximum distance (Noise limited network)InteractiveErrorCoherence between min and max distance for calculation of coverage radius.
Minimum power must be less than MaximumInteractiveErrorCoherence between min and max thresholds for translation mode.
No antenna available in technical library. Cannot initialize receiverInteractiveErrorLibrary should contain at least one antenna to be able to create a receiver.
No antenna available in technical library. Cannot initialize transmitterInteractiveErrorLibrary should contain at least one antenna to be able to create a transmitter.
No correlation resultsInteractiveWarningCorrelation of signals has not been calculated (calculation has been stopped).
No density for constant signalInteractiveWarningConstant signals density is a dirac.
No Intermodulation signal is available for this scenarioInteractiveWarningICE : intermodulation rejection cannot be used as parameter of translation : only one link has been defined in the scenario and hence no intermodulation signals have been generated.
No link to deleteInteractiveErrorNo more links in current workspace, hence cannot delete.
No receiver available in technical library. Cannot initialize interfering linkInteractiveErrorLibrary should contain at least one receiver to be able to create a link.
No receiver available in technical library. Cannot initialize victim linkInteractiveErrorLibrary should contain at least one receiver to be able to create a link.
No transmitter available in technical library. Cannot initialize victim linkInteractiveErrorLibrary should contain at least one transmitter to be able to create a link.
No transmitter available in technical library. Cannot initialize interfering linkInteractiveErrorLibrary should contain at least one transmitter to be able to create a link.
No values defined for this batchInteractiveErrorUser has started a batch which contains no simulation (batch values).
No workspace to deleteInteractiveErrorNo more workspace in database so cannot delete.
Number of active transmitters can't be equal to 0InteractiveErrorNumber of active transmitters must be strictly positive.
Number of exceptions equals number of generated events : no results have been storedSimulationWarningSimulation has generated as many exceptions as events : storing results is useless. Revision of the scenario is required.
Number of generated events must be greater than DEE additional number of eventsSimulationErrorAdditional number of samples must be small regards to the initial number of samples.
Previous version not installedInteractiveErrorUpgrade function requires previous version of SEAMCAT to be installed.
Probability of transmission must be between 0 and 1InteractiveErrorProbability is constrained to be between 0 and 1.
Range is not multiple of the step in the discrete uniform distribution used for parameter x in link ySimulationWarningsee Scenario consistency
Significance level for distribution identification must be greater than 0InteractiveErrorSignificance level for distribution identification must be positive.
Significance level for stability estimation must be greater than 0InteractiveErrorSignificance level for distribution identification must be positive
Simulation results exist for this workspaceInteractiveWarningOccurs when opening a workspace containing results.
Spherical diffraction model not applicable below 1 GHz in x in link ySimulationWarningsee Scenario consistency
Spherical Pattern invalidInteractiveErrorOccurs when attempting to load an horizontal pattern file where angles are not between 0 and 180.
Spherical pattern must contain at least two pointsInteractiveErrorAn horizontal pattern has been defined with less than two points.
Syntax error detected at line x, offset yInteractiveErrorIndicates at which position of the
This file requires a higher version of SEAMCATSimulationErrorOccurs when attempting to import a file generated by a higher version of SEAMCAT.
This parameter is not editable in tree viewSimulationErrorThis parameter cannot be editable from the tree-view.
Time must be between 0 and 24 hoursInteractiveErrorTime parameter is constrained to be between 0 and 24 hours.
Translation mode is not available for one of following reasons:
1. Receiver blocking response mask is not constant,
2. Receiver intermodulation response mask is not constant,
3. Power distribution of interfering transmitter is not constant,
4. Unwanted emission floor mask is used
InteractiveErrorICE translation mode requires the four assumptions to be true.
Unbounded distribution for parameter x in link ySimulationWarningsee Scenario consistency
Unbounded frequency distribution in link xSimulationWarningsee Scenario consistency
Unwanted emissions floor range does not match victim receiver frequency +/- receiver bandwidth in link xSmulationErrorsee Scenario consistency
Unwanted emissions range does not match victim receiver frequency +/- receiver bandwidth in link xSimulationErrorsee Scenario consistency
User model syntaxically incorrectInteractiveWarningConfirm correctness of the user defined propagation model
User-defined distribution doesn't include 0 and/or 1 value(s) for parameter x in link ySimulationErrorsee Scenario consistency
Vertical Pattern invalidInteractiveErrorOccurs when attempting to load an horizontal pattern file where angles are not between -90 and 90°.
Vertical pattern must contain at least two pointsInteractiveErrorAn horizontal pattern has been defined with less than two points.
You can't delete an interfering link because simulation results existInteractiveErrorConstraint : to maintain coherence between scenario and results, change of the scenario requires to delete the results.
You can't duplicate this link because simulation results existInteractiveErrorConstraint : to maintain coherence between scenario and results, change of the scenario requires to delete the results.
You must select at least one signal typeInteractiveErrorICE translation mode requires one signal type to be selected