SAP Message 29045 - Enter change number - BOM has history requirement

Diagnosis
You want to change a particular BOM but you have not entered a changenumber.
This error message appears for the following reasons:

  • Once a BOM has been changed with history (with a change number), it can
    • only be changed with history.
    • Options set via Customizing (BOMs) determine that BOMs with a
      • particular usage and status are to be changed with history.

      Procedure

      • Check your entries.

      • If your entries for the BOM are correct, enter a change number.

        • The following factors should be taken into account when choosing achange number:
        which object types or which objects can be changed using this changenumber;
        the validity of the change number ;
        the reason for the change.

35100Changing BOMs with hist. requirement w/o change no.