A z/OS RACF password phrase (pass phrase) was entered as a password in a PowerExchange interface. The pass phrase included characters that are not valid. PowerExchange supports only the following characters in a pass phrase: uppercase letters A-Z, lowercase letters a-z, the numbers 0 though 9, and the special characters ` - ; # \ , . / ! % & * ( ) _ + { } : @ | < > ? .