Message type: E = Error
Message class:  HRPIQES01 - SLcM: Spain 
Message number: 090
Message text: Language section & is not a valid entry, check table T7PIQ_ES_LA_SEC
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 HRPIQES01090 typically indicates that there is an issue with the language section in the context of the SAP system's configuration for the Personnel Information and Qualification (PIQ) module. This error suggests that the language code you are trying to use is not valid or does not exist in the specified table.
Cause: Invalid Language Code: The language code you are trying to enter or use is not recognized by the system. This could be due to a typo or using a language code that is not defined in the system. Missing Entries in Table T7PIQ_ES_LA_SEC: The table T7PIQ_ES_LA_SEC is used to define valid language sections. If the language code you are using is not present in this table, the system will throw this error.
Configuration Issues: There may be issues with the configuration of the PIQ module or the specific settings related to language sections.
Solution: Check the Language Code: Verify that
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPIQES01089 Please maintain more than one languages as bilingual option is selected.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQES01088 Please maintain single language as bilingual option is unselected.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQES01091 Additional service & is not a valid entry, check table T7PIQ_ES_AD_SER
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQES01092 Educational program & is not a valid entry, check table T7PIQ_ES_EDU_PR
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.