Message type: E = Error
Message class:  EAMS_BO - Business Object Layer 
Message number: 390
Message text: Address of assigned components and suboperations has been updated
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 EAMS_BO390 typically indicates that there has been an update to the address of assigned components and suboperations in the context of maintenance orders or work orders. This message is often related to the Enterprise Asset Management (EAM) module in SAP.
Cause: Data Update: The error usually occurs when there is a change in the address data of components or suboperations that are linked to a maintenance order. This could be due to a manual update or a system process that modifies the address information. Inconsistencies: It may also arise from inconsistencies in the data, such as when the address of a component does not match the expected format or when there are missing fields.
Configuration Issues: Sometimes, configuration settings in the EAM module may lead to this error if they are not set up correctly.
Solution: Check Address Data: Verify the address data of the components and suboperations assigned to the maintenance
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
EAMS_BO380 Hidden relationship type '&1' has been made visible
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
EAMS_BO373 Service packages have not been copied to the new maintenance order
What causes this issue?  You want to create a new maintenance order by copying an existing order. There is at least one service package assigned to th...
EAMS_BO391 Address could not be updated
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
EAMS_BO400 Operation &1: Activity type &2 &3 &4 does not exist, therefore not copied
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.