Message type: E = Error
Message class:  APPL_MM_PUR_PO - Message Class for Purchase Order 
Message number: 036
Message text: PO has unsupported features in schedule lines. Editing in advanced mode.
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The SAP error message APPL_MM_PUR_PO036 indicates that there are unsupported features in the schedule lines of a Purchase Order (PO) when trying to edit it in advanced mode. This error typically arises when certain configurations or settings in the PO do not align with the expected parameters for editing. Causes: Unsupported Schedule Line Features: The PO may have schedule lines that include features or settings that are not compatible with the advanced editing mode. This can include: Inconsistent delivery dates. Different item categories that do not support advanced editing. Special procurement types that are not allowed in the advanced mode.
Configuration Issues: The system configuration may not support certain combinations of settings in the PO, leading to this error. Data Inconsistencies: There may be inconsistencies in the data entered for the PO, such as incorrect quantities, delivery dates, or other parameters. Solutions: Check Schedule Line Details: Review the schedule lines of the PO to ensure that all entries are
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