Invalid separator. Separator must be either a single character, or a single character surrounded by double quotes Separator ...

Invalid separator.  Separator must be either a single character,
 or a single character surrounded by double quotes
 
Separator = %5
 
Error: %6 
Details: %7 

One or more workflows were affected by this. 

Workflow name: %2 
Instance name: %3 
Instance ID: %4 
Management group: %1