SAP Message 37156 - Screen is too large. Maintenance value cannot be changed

Diagnosis
The screen contains more than 20 lines. This may occur if, for example,it has been trnasported from an R/2 system.

System Response
The screen is executable in this form but the window size is notautomatically adjusted in the process.

Procedure
In the layout editor (F5), you can rearrange fields and delete lines inthe top part of the screen. Lines above 20 are thus shifted up.