Message type: E = Error
Message class:  FIOM_LOC - Oman Localization 
Message number: 018
Message text: Customizing for Processing Type 1 missing
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 FIOM_LOC018 indicates that there is a missing configuration for Processing Type 1 in the Financial Operations Management (FIOM) module. This error typically arises when the system is unable to find the necessary customizing settings for a specific processing type, which can lead to issues in processing financial transactions.
Cause: The error can occur due to several reasons: Missing Customizing Entries: The required customizing entries for Processing Type 1 have not been maintained in the system. Incorrect Configuration: The configuration might be incomplete or incorrectly set up, leading to the system not recognizing the processing type. Transport Issues: If the configuration was transported from another system, there might have been issues during the transport process that resulted in missing entries. Version Mismatch: The version of the SAP system might not support the required configuration, or there may be inconsistencies between different environments (e.g., development, testing, production).
Solution: To resolve the FIOM_LOC018 error, follow these steps: Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FIOM_LOC017 Please specify a Bank Sub Account
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC016 Please do not enter a Vendor Account
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC019 Document entered is not a valid remittance document
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIOM_LOC020 No Withholding Tax lines exist for the selection
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.