Message type: E = Error
Message class:  OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages 
Message number: 214
Message text: Very few technical keys left for nominations.
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 OD214, which states "Very few technical keys left for nominations," typically occurs in the context of SAP's Event Management or similar modules where technical keys (or identifiers) are used to manage and track various entities, such as nominations, orders, or other transactional data.
Cause: The error is generally caused by the exhaustion of available technical keys in the system. Each nomination or transaction requires a unique identifier, and if the system has a limited pool of these identifiers, it can run out, leading to this error message. This situation can arise due to: High Volume of Transactions: If your system is processing a large number of nominations or transactions, it may quickly deplete the available technical keys.
Configuration Issues: The configuration settings for the number of technical keys may be set too low for your business needs. Data Cleanup: If old or unused nominations are not being archived or deleted, they
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
OD213 Nomination &1 with date &2 already exists.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OD212 You must make at least one entry.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OD215 Assigned key &1 is the last technical key available.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OD216 Location with ID &1 does not exist.
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.