Wolfram Language & System 10.0 (2014)|Legacy Documentation

This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)


represents a failure of a type indicated by tag, with details given by the association assoc.


  • The association assoc typically contains:
  • "MessageTemplate"a string template for a message
    "MessageParameters"parameters to use for the message template
  • With the entry a message name can be stored for use when a message is generated.
  • Failure is generated by Interpreter and related functions. Possible tags in this case are , , , and .
Introduced in 2014