Initializing help system before first use

# Exception Summary

Covered Topics

- XPRSexception
  Encapsulates exceptions thrown by Xpress-MP optimizer
- XPRSprob.CannotPerformOperationException
  Exception raised when an operation is attempted for which the model cannot be in a presolved state or in a callback.
- XPRSprob.CannotReferenceVariablesException
  Exception raised when a constraint references Variable instances while it should only reference indices.
- XPRSprob.InvalidStateException
  Exception that is raised if the problem is not in the correct state.
- XPRSprobException
  Legacy class used to encapsulate errors thrown on XPRSprob.

Parent Topic com.dashoptimization

© 2001-2026 Fair Isaac Corporation. All rights reserved. This documentation is the property of Fair Isaac Corporation (“FICO”). Receipt or possession of this documentation does not convey rights to disclose, reproduce, make derivative works, use, or allow others to use it except solely for internal evaluation purposes to determine whether to purchase a license to the software described in this documentation, or as otherwise set forth in a written software license agreement between you and FICO (or a FICO affiliate). Use of this documentation and the software described in it must conform strictly to the foregoing permitted uses, and no other use is permitted.