How To Fix 29091 - Modification parameters incomplete (inform your system manager)

29091 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 091

• Message text: Modification parameters incomplete (inform your system manager)

What causes this issue?

In the standard SAP System, default settings are defined for the
modification parameters and for BOM maintenance. You can change these
values for your company (in the customizing functions for 'BOMs' and
perform steps <LS>Define modification parameters</> and <LS>Define
default settings</>.
The modification parameters are generally one-time settings for BOM
management, which you should not normally change once you start using
the functions for BOMs.

System Response

The system checks whether these settings are defined and consistent.

How to fix this error?

For one of the following fields, either no value is maintained, or the
settings are not consistent:
Modification parameter: <LS>Unit of measure 'piece'</>
Please note that this unit determines the base unit of measure (BOM
header) or the component unit of measure (item).
Base unit of mesaure for:
Equipment BOM
Functional location BOM
Document structure
Standard BOM (configurable BOM)
Component unit of measure for:
Text item
Document item
Non-stock item without a material master record
Default values for variable-size item:
<LS>Variable-size item unit</>
<LS>Unit for number of variable-size items</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29091 - Modification parameters incomplete (inform your system manager) ?

  The SAP error message 29091, which states "Modification parameters incomplete (inform your system manager)," typically indicates that there is an issue with the modification parameters in the SAP system. This error can occur in various contexts, such as during the execution of a transaction or when trying to access certain functionalities.
  Causes:
  
  Incomplete Configuration: The modification parameters required for a specific transaction or function are not fully configured or are missing.
  Transport Issues: If the system has recently undergone a transport of changes, the modification parameters may not have been properly transported or activated.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the parameters.
  System Upgrade or Patch: After an upgrade or patch, certain parameters may need to be reconfigured or updated.
  Custom Development: If there are custom developments or modifications in the system, they may not be correctly set up.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the transaction