How To Fix IL899 - No entry can be made in field & as field cannot be checked

IL899 - Overview

• Message type: E = Error

• Message class: IL - PM: ILOM - Functional Locations

• Message number: 899

• Message text: No entry can be made in field & as field cannot be checked

What causes this issue?

You have made an entry in this field that forms a connection to another
SAP Module. The connection to this module is not active however.

System Response

The system will not allow an entry to be made in this field.

How to fix this error?

Delete the entry in this field.

Error message extract from SAP system. Copyright SAP SE.

IL899 - Details

• The SAP error message IL899 ("No entry can be made in field & as field cannot be checked") typically occurs in the context of inventory management or logistics when you are trying to enter data into a field that is not allowed or cannot be validated due to certain conditions. This error can arise in various scenarios, such as when creating or modifying inventory documents, handling materials, or working with master data.
  Causes:
  
  Field Configuration: The field you are trying to enter data into may be configured in a way that does not allow entries under certain conditions. This could be due to field status groups or settings in the configuration.
  Data Validation: The system may be unable to validate the data you are trying to enter, possibly due to missing or incorrect master data.
  Authorization Issues: You may not have the necessary authorizations to make changes in the specific field.
  System Settings: Certain system