The JCL input parameters and TIBCO messaging applications are case-sensitive.
JCL Input Parameters
The JCL used to execute TIBCO messaging applications is case-sensitive. When editing the JCL, turn Cap Lock off.
TIBCO Messaging Applications
TIBCO messaging applications are also case-sensitive. Any application program that uses TIBCO EMS Client for z/OS (MVS) API calls must use the correct case when specifying the API calls.