Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 546
Message text: Field & is a required field
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message HRPSGB_HER546, which states "Field & is a required field," typically occurs in the context of HR (Human Resources) processes within the SAP system. This error indicates that a mandatory field has not been filled in during a transaction or data entry process.
Cause: Missing Required Field: The most common cause of this error is that a required field (indicated by the placeholder "&") has not been populated. This could be due to user oversight or a system configuration issue. Incorrect Configuration: Sometimes, the configuration of the HR module may have been altered, leading to additional fields being marked as required. Data Entry Errors: Users may inadvertently skip fields or enter data in an incorrect format, triggering the error.
Solution: Identify the Required Field: Check the error message for the specific field that is indicated as required. The placeholder "&" should be replaced with the actual field name in the error message. Fill in
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPSGB_HER545 If Above VSC scheme exists, Up to VSC scheme must exist on IT0071 too.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER544 EE has monthly VSC amount but has no Above VSC scheme on IT0071.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER547 No 3 character ISO code exists for country with country key &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_LG000 *HRGBPS Local Government: RPUCLSG0->50 RPUCLSG8->60
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.