How To Fix MPN01057 - Combined length of Ext Mfr, Mfr Part No, and delimiter must not exceed &1


MPN01057 - Overview

  • Message type: E = Error

  • Message class: MPN01 - MPN Message: Material Master / customizing

  • Message number: 057

  • Message text: Combined length of Ext Mfr, Mfr Part No, and delimiter must not exceed &1

  • Show details Hide details
  • What causes this issue?

    The maximum possible length of the value that can be displayed in the
    <LS>Material</> field is &v1&. As concatenation is enabled, the
    <LS>Material</> field displays the value generated by concatenating the
    following field inputs:
    External manuf.
    Mfr Part Number
    <ZH>Note</>
    The maximum length of the material number that can be entered or
    displayed is defined in the
    <DS:SIMG.SIMG_CFMENUOLMSOMSL>Define Output Format of Material Numbers
    </> Customizing activity.

    System Response

    The system will not let you proceed if the combined length of the
    concatenated fields and the delimiter exceeds &v1&.

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

    How to fix this error?

    Adjust the lengths of the input values for the following fields:
    External manuf.
    Mfr Part Number
    Note that the maximum length possible for the delimiter is one
    character.

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message MPN01057 - Combined length of Ext Mfr, Mfr Part No, and delimiter must not exceed &1 ?
    The SAP error message MPN01057 indicates that the combined length of the external manufacturer (Ext Mfr), manufacturer part number (Mfr Part No), and the delimiter used between them exceeds the maximum allowed length defined in the system. This error typically occurs when you are trying to create or update a material master record or a related document that includes these fields.
    
    Cause: The error is caused by the total character count of the following components exceeding the defined limit: External Manufacturer (Ext Mfr) Manufacturer Part Number (Mfr Part No) Delimiter (usually a character like a hyphen or slash used to separate the two fields) For example, if the maximum allowed length is 30 characters, and you have: Ext Mfr: 15 characters Mfr Part No: 16 characters Delimiter: 1 character The total would be 15 + 16 + 1 = 32 characters, which exceeds the limit.
    Solution: To resolve this error, you can take the following steps: Check the Lengths: Review the lengths of

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