Message type: E = Error
Message class:  TBA_PRICEQUOT - Messages related to Price Quotation Services 
Message number: 006
Message text: Key date &1 not valid
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 TBA_PRICEQUOT006, which states "Key date &1 not valid," typically occurs in the context of pricing or quotation processes within SAP. This error indicates that the key date you are trying to use for a pricing quotation is not valid, which can happen for several reasons. Causes: Invalid Date: The key date you are entering may not be within the valid range defined in the system. This could be due to the date being in the past or future, or simply not being a date that the system recognizes as valid for the pricing conditions. Missing Validity Period: The pricing conditions associated with the key date may not have a defined validity period that includes the specified date. If the conditions are not valid for that date, the error will occur.
Configuration Issues: There may be configuration issues in the pricing procedure or condition records that prevent the system from recognizing
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
TBA_PRICEQUOT005 Curve date &1 not valid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TBA_PRICEQUOT004 Time to maturity &1 not valid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TBA_PRICEQUOT007 Price type &1 not valid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TBA_PRICEQUOT008 Quotation date &1 not valid
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.