How To Fix C1101 - Entry required indicator cannot be set

C1101 - Overview

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 101

• Message text: Entry required indicator cannot be set

What causes this issue?

You want to set the "Entry required" indicator, so that a value has to
be assigned to this characteristic.
Objects have already been classified using this class. An analysis of
values already assigned has shown that, in one or more cases, no value
has been assigned to the characteristic. This contradicts the above
indicator.

System Response

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?

Deselect the field.
If you really want to enter this indicator, first check all values
assigned to this characteristic and assign values wherever no value has
been assigned.
If you choose <LS> Environment -> Where-used list</> from the
characteristics maintenance menu, you can find out where the
characteristic has been used.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1101 - Entry required indicator cannot be set ?

  The SAP error message C1101, which states "Entry required indicator cannot be set," typically occurs in the context of configuration or data entry in SAP, particularly when dealing with master data or transaction data. This error indicates that there is an issue with the settings or the data being entered that prevents the system from allowing the "Entry required" indicator to be set.
  Causes:
  
  Field Configuration: The field in question may be configured in such a way that it does not allow the "Entry required" indicator to be set. This could be due to the field's data type or its settings in the configuration.
  Data Inconsistency: There may be inconsistencies in the data being entered, such as missing mandatory fields or incorrect data types.
  Authorization Issues: The user may not have the necessary authorizations to change the settings of the field or to set the "Entry required" indicator.
  Custom Code or Enhancements: If there are