EQA2413I You are currently on an instruction that must run without a breakpoint. z/OS® Debugger may lose control. You must ensure that a breakpoint is set on a subsequent instruction or statement. At location LOCN.
Explanation
While stepping through a program in the disassembly view, you are about to execute an instruction that must run from the original location and therefore the breakpoint must be temporarily removed. A breakpoint is required where you would like to obtain control.
Programmer response
Set a breakpoint and/or enter STEP or GO to continue.