SAP Message WXP306 - Planning step &1 cannot be planned manually for planning scenario &2

Diagnosis When maintaining the planning step &V1&, you have chosen a planningstep method that does not allow manual planning to be used. As theplanning layout is only required for manual planning, you cannot entera planning layout for this planning step. INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX Procedure If you want to enter layouts for this planning step, change theplanning step method in planning step maintenance.