Message type: E = Error
Message class:  CM_EHDGM_BO_CRR - Messages for the DG CRR BO 
Message number: 066
Message text: &4 Invalid value "&1" for hazard inhalation zone.
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 CM_EHDGM_BO_CRR066 indicates that there is an invalid value for the hazard inhalation zone in the context of chemical management or hazardous materials management within SAP. This error typically arises when the system encounters a value that does not conform to the expected format or range for the inhalation zone.
Cause: Invalid Input Value: The value entered for the hazard inhalation zone does not match the predefined values or formats expected by the system.
Configuration Issues: The configuration settings for hazard classifications or inhalation zones may not be set up correctly in the system. Data Integrity Issues: There may be inconsistencies or errors in the master data related to hazardous materials or chemicals.
Solution: Check Input Values: Verify the value you are trying to enter for the hazard inhalation zone. Ensure it is within the acceptable range and format as defined in your SAP system. Review Configuration: Check the configuration settings for hazardous materials
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CM_EHDGM_BO_CRR065 &4 Print reportable quantity names ignored. No names are provided.
What causes this issue?  You want to apply the classification from a source that has the Print Reportable Quantity Names flag set. However, the source...
CM_EHDGM_BO_CRR064 &4 The regulation does not support reportable quantities.
What causes this issue?  You want to apply the classification from a source that contains reportable quantity information. However, the target regulat...
CM_EHDGM_BO_CRR067 &4 Invalid value "&1" for transport permission.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CM_EHDGM_BO_CRR068 &4 Invalid value "&1" for packing group.
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.