The following is a list of definitions errors that can occur while using STKO (Scientific Toolkit for OpenSees).

For each error, a brief description and a possible solution to resolve it is provided. In case the error is not in the list or if the proposed solution has no effect, please post in our forum.

error code	command	error message	solution
	VelDepMultiLinear	incorrect size of variables	The VelDepMultiLinear definition requires that velocity and friction vectors have the same length/value.
Make sure that velocity and friction vectors have the same size.
	VelDepMultiLinear	incorrect size of variables	The VelDepMultiLinear requires that velocity and friction vectors must have at least 2 component/s.
Make sure that the velocity and friction vectors have at least 2 components.
	ChiSquare	variable with incorrect value	The ChiSquare definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	ChiSquare	variable with incorrect value	The ChiSquare definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Exponential	variable with incorrect value	The Exponential definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Exponential	variable with incorrect value	The Exponential definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Gamma	variable with incorrect value	The Gamma definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Gamma	variable with incorrect value	The Gamma definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Gumbel	variable with incorrect value	The Gumbel definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Gumbel	variable with incorrect value	The Gumbel definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Laplace	variable with incorrect value	The Laplace definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Laplace	variable with incorrect value	The Laplace definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Lognormal	variable with incorrect value	The Lognormal definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Lognormal	variable with incorrect value	The Lognormal definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Normal	variable with incorrect value	The Normal definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Normal	variable with incorrect value	The Normal definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	ShiftedExponential	variable with incorrect value	The ShiftedExponential definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	ShiftedExponential	variable with incorrect value	The ShiftedExponential definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	ShiftedRayleigh	variable with incorrect value	The ShiftedRayleigh definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	ShiftedRayleigh	variable with incorrect value	The ShiftedRayleigh definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Type1LargestValue	variable with incorrect value	The Type1LargestValue definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Type1LargestValue	variable with incorrect value	The Type1LargestValue definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Type1SmallestValue	variable with incorrect value	The Type1SmallestValue definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Type1SmallestValue	variable with incorrect value	The Type1SmallestValue definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Type2LargestValue	variable with incorrect value	The Type2LargestValue definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Type2LargestValue	variable with incorrect value	The Type2LargestValue definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Uniform	variable with incorrect value	The Uniform definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Uniform	variable with incorrect value	The Uniform definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Weibull	variable with incorrect value	The Weibull definition requires that stdv or COV have been assigned.
Make sure that stdv or COV have been assigned.
	Weibull	variable with incorrect value	The Weibull definition requires that mean should be greater than 0.
Make sure that mean has a value greater than 0.
	Path	incorrect size of variables	The Path definition requires that listValue and listTime have the same length/value.
Make sure that listValue and listTime have the same size.
	PeerMotion	variable with incorrect value	The PeerMotion definition presents an empty eqMotion.
Make sure that the eqMotion is not empty.
	PeerMotion	variable with incorrect value	The PeerMotion definition presents an empty station.
Make sure that the station is not empty.
	Pulse	variable with incorrect value	The Pulse definition presents an invalid period value.
Make sure that the period is greater than 0.
	Pulse	variable with incorrect value	The Pulse definition requires that tStart should be greater tEnd.
Make sure that the tStart is greater tEnd.
	Rectangular	variable with incorrect value	The Rectangular definition requires that tStart should be greater tEnd.
Make sure that the tStart is greater tEnd.
	Triangle	variable with incorrect value	The Triangle definition presents an invalid period value.
Make sure that the period is greater than 0.
	Triangle	variable with incorrect value	The Triangle definition requires that tStart should be greater tEnd.
Make sure that the tStart is greater tEnd.
	Trig	variable with incorrect value	The Trig definition presents an invalid period value.
Make sure that the period is greater than 0.
	Trig	variable with incorrect value	The Trig definition requires that tStart should be greater tEnd.
Make sure that the tStart is greater tEnd.
	TesterDistribution	variable with incorrect value	The TesterDistribution definition presents an empty randomVariable.
Make sure that the randomVariable is not empty.
	TesterDistribution	variable with incorrect value	The TesterDistribution definition requires that an external solver kit has been provided.
Make sure that the external solver kit has been provided.
	TesterDistribution	Xobject is Null or has no parent component	The TesterDistribution definition presents a Null Xobject or has no parent component.
Make sure that an Analysis Step has been set.
	TesterDistribution	Xobject is Null or has no parent component	The TesterDistribution definition presents a Null Xobject or has no parent component.
Make sure that an Analysis Step has been set.
	TesterDistribution	no CAE document	Create at least one CAE document.
At the moment this error will never be launched (as STKO is set up).
	Rotation	no selection set	No selection set specified.
Make sure that at least one selection set is specified.
	Rotation	wrong selection set	The Rotation requires that the selection set must contain 1 geometry.
Make sure that the selection set contains only 1 geometry.
	Rotation	wrong selection set	The Rotation requires that the selection set must contain 1 vertex.
Make sure that the selection set contains only 1 vertex.
	Rotation	no selection set	No selection set specified.
Make sure that at least one selection set is specified.
	Rotation	wrong selection set	The Rotation requires that the selection set must contain 1 element.
Make sure that the selection set contains only 1 element.
	Rotation	wrong selection set	The Rotation requires that the selection set must contain 1 element.
Make sure that the selection set contains only 1 element.
	Rotation	wrong selection set	The Rotation requires that the selection set must contain 1 element.
Make sure that the selection set contains only 1 element.