Message type: E = Error
Message class:  CRM_IU_IC_AMI_EVENT - ISU AMI Event Monitor 
Message number: 001
Message text: Must search using both serial number and material number
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 CRM_IU_IC_AMI_EVENT001 indicates that a search operation in the SAP system requires both a serial number and a material number to proceed. This error typically occurs in scenarios where the system is trying to retrieve or process information related to a specific item, such as in the context of service management or asset management.
Cause: The error is triggered when: A user attempts to perform a search or operation that requires both a serial number and a material number, but one or both of these parameters are missing. The system is configured to enforce this requirement for certain transactions or processes, ensuring that the search is specific enough to return accurate results.
Solution: To resolve this error, you should: Check Input Fields: Ensure that both the serial number and material number are provided in the search criteria. Verify that they are correctly entered and formatted. Review Transaction Requirements: Consult the documentation or help resources for
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CRM_IU_IC_AMI_EVENT000 No AMI device exists for the confirmed BP in the confirmed Premise
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_IU_IC_ADRMGT013 Address can not be copied for Commercial and Industrial Customer Contract
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_IU_IC_AMI_EVENT002 Failed to process this task in the back-end system
What causes this issue?  This task failed because an error occurred when calling a remote function call in the system.System Response  The system issu...
CRM_IU_IC_AMI_EVENT003 AMI Event Monitor cannot process object type &1
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.