FMV1185E
The help search argument you supplied "string"
is either too long or contains unmatched quotes.
Explanation
Valid arguments are the names of things like section numbers, command names, option names and message numbers. All of these search arguments are short and none requires quoting.
System action
The help request is not executed and you are given another chance to enter a valid argument, display the table of contents, or exit help.
User response
Respond to the subsequent prompt as directed.