Message type: E = Error
Message class:  /PM0/AB_IBC_CNFG_I_4 -  
Message number: 230
Message text: Characteristic &1 with data type &2: No default value exists
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 /PM0/AB_IBC_CNFG_I_4230 indicates that a characteristic in the context of SAP's Integrated Business Planning (IBP) or Advanced Planning and Optimization (APO) does not have a default value defined. This can occur when you are trying to use a characteristic in a planning scenario, but the system cannot find a default value for it, which is necessary for processing.
Cause: Missing Default Value: The characteristic specified in the error message does not have a default value assigned in the configuration. Data Type Issues: The data type of the characteristic may not be compatible with the expected input or configuration. Configuration Errors: There may be an issue in the configuration of the planning area or the characteristics themselves.
Solution: Define Default Value: Go to the configuration of the characteristic in the SAP system. Assign a default value for the characteristic that is causing the error. This can usually be done in the characteristic settings within the planning
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/PM0/AB_IBC_CNFG_I_4221 Relationships are redundant, but have different cardinalities
What causes this issue?  The relationship with product module &v1& has multiple occurrences (relationship IDs RELIDs= &v2&/&v3&...
/PM0/AB_IBC_CNFG_I_4220 Redundant relationships are not taken into account
What causes this issue?  There are multiple occurrences of the relationship to product module &v1& (through relationship ID <AB>RELID &l...
/PM0/AB_IBC_CNFG_I_4231 Characteristic &1: Meaning of default value 
What causes this issue?  The characteristic &v1& with data type &v2& has the default value <(> <<)>space>. The syste...
/PM0/AB_IBC_CNFG_I_4232 Data type &2 for characteristic &1 is not supported
What causes this issue?  In the IFBC import, only the following product engine data types are supported: Integer Float Date Time StringSystem Response...
Click on this link to search all SAP messages.