After going to z/os 2.1, you are now seeing Invalid Scroll amount.

Document ID : KB000029705
Last Modified Date : 14/02/2018
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This was first observed after an upgrade to z/OS 2.1 but maintenance to ISPF may introduce the problem to previous releases.              




The scroll amount changes to invalid value when you return to the original panel after invoking another function.                   



An inconvenience to Jobtrac ISPF users.





Apply RO70868.