EQA2426I z/OS® Debugger detected a down level z/OS Debugger SVC EQA01SVC(IGX00051). The installed version is vers. Version 17 is required for this version of z/OS Debugger.

Explanation
During initialization z/OS Debugger detected a
downlevel z/OS Debugger SVC version.

Programmer response
Have your installer install the correct z/OS Debugger SVCs.