Reorganization plan is active; restrictions can no longer be changed

What causes this issue?

An open <DS:GLOS.4991460A31D64651E10000000A421948>reorganization plan</>
still exists. However, it is a future posting period falling after the
reorganization period that is open.

System Response

Consequently, the restrictions in the reorganization plan <ZH>cannot</>
be changed any more.

How to fix this error?

If you want to change the restrictions in the reorganization plan again,
you have to close any future periods falling after the reorganization
period.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE FAGL_MESSAGE_CONTROL OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.