How To Fix C1801 - &: Value "&" not found

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 801

• Message text: &: Value "&" not found

What causes this issue?

The value you entered - &V2& - is not a valid value for the
characteristic.
If you want to restrict the allowed values of a characteristic, the
restricted allowed values must be within the range defined.

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?

Correct the value.
Restrict the values by selecting from the allowed values.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1801 - &: Value "&" not found ?

  The SAP error message C1801, which states "Value '&' not found," typically occurs when a user tries to enter a value in a field that is not recognized by the system. This can happen in various contexts, such as when entering data in a transaction, during configuration, or while executing reports.
  Causes:
  
  Invalid Input: The value entered does not exist in the corresponding table or domain. For example, if you are trying to enter a material number that is not in the material master.
  Missing Master Data: The required master data (like customer, vendor, material, etc.) has not been created or is inactive.
  Authorization Issues: The user may not have the necessary authorizations to view or access the data related to the value being entered.
  Configuration Issues: The configuration settings for the relevant module may not be set up correctly, leading to the system not recognizing the value.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries in related tables.
  
  Solutions:
  
  Check Input Value: Verify that the value you are entering is correct and exists in the relevant master data tables. You can use transaction codes like SE11 (Data Dictionary) to check the table entries.
  Create Missing Data: If the value does not exist, you may need to create the necessary master data. For example, if it’s a material number, you can create it using transaction MM01.
  Review Authorizations: Ensure that you have the necessary authorizations to access the data. You may need to contact your SAP security team to check your roles and authorizations.
  Check Configuration: Review the configuration settings in the relevant module to ensure that everything is set up correctly. This may involve checking customizing settings in SPRO.
  Data Consistency Check: Run consistency checks or reports to identify any data issues. You can use transaction codes like SE38 to run specific reports that check for data integrity.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), MM01 (Create Material), and SPRO (Customizing).
  SAP Notes: Check SAP Notes for any known issues related to the error message C1801. You can search for specific notes in the SAP Support Portal.
  Documentation: Review SAP documentation for the specific module you are working with to understand the expected values and configurations.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who can provide more specific guidance based on your system configuration and business processes.