Error: 25699, Severity: 17, The Extended Event engine failed unexpectedly while performing an operation.
Error: 25701, Severity: 15, Invalid event session name “%.*ls”. Temporary event sessions are not allowed.
Error: 25702, Severity: 16, The event session option, “%.*ls”, is set more than once. Remove the duplicate session option and re-issue the statement.
Error: 25703, Severity: 16, The event session option, “%.*ls”, has an invalid value. Correct the value and re-issue the statement.

Error: 25704, Severity: 16, The event session has already been stopped.
Error: 25705, Severity: 16, The event session has already been started.
Error: 25706, Severity: 16, The %S_MSG, “%.*ls”, could not be found.
Error: 25707, Severity: 16, Event session option “%.*ls” cannot be changed while the session is running. Stop the event session before changing this session option.
Error: 25708, Severity: 16, The “%.*ls” specified exceeds the maximum allowed value. Specify a smaller configuration value.

Error: 25709, Severity: 16, One or more event sessions failed to start. Refer to previous errors in the current session to identify the cause, and correct any associated problems.
Error: 25710, Severity: 16, Event session “%.*ls” failed to start. Refer to previous errors in the current session to identify the cause, and correct any associated problems.
Error: 25711, Severity: 16, Failed to parse an event predicate.
Error: 25712, Severity: 16, An invalid comparison operator was specified for an event predicate.
Error: 25713, Severity: 16, The value specified for %S_MSG, “%.*ls”, %S_MSG, “%.*ls”, is invalid.
Error: 25715, Severity: 16, The predicate on event “%ls” is invalid. Operator ‘%ls’ is not defined for type “%ls”, %S_MSG: “%.*ls”.
Error: 25716, Severity: 16, The predicate on event, “%.*ls”, exceeds the maximum length of %d characters.
Error: 25717, Severity: 16, The operating system returned error %ls while reading from the file ‘%s’.
Error: 25718, Severity: 16, The log file name “%s” is invalid. Verify that the file exists and that the SQL Server service account has access to it.
Error: 25719, Severity: 16, Initial file name and initial offset must be specified as a pair. Please correct the parameters and retry your query.
Error: 25720, Severity: 10, ‘sys.fn_xe_file_target_read_file’ is skipping records from “%.*ls” at offset %I64d.

This is applicable on below versions of SQL Server

SQL Server 2005
SQL Server 2008 R2
SQL Server 2012
SQL Server 2014

Hope this was helpful.

Thanks,
SQLServerF1 Team
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