How To Fix TZS1018 - Conversion error: date &1 time &2 time zone &3

SAP Error Message - Details

• Message type: E = Error

• Message class: TZS1 - Time Zone Support

• Message number: 018

• Message text: Conversion error: date &1 time &2 time zone &3

What causes this issue?

Combination of date &V1& time &V2& and time zone &V3& is not valid.
Because of summer time rules for time zone &V3& this combination does
not exist.
Summer time rules can be checked by transaction STZBC.

System Response

Nevertheless the combination will be converted like summer time is not
active. Because of this the conversion result may be wrong from EAM Time
Zone Support view. Time &V2& was adapted corresponding summer time rules
of time zone &V3&.

How to fix this error?

Check conversion result and adjust manually if necessary.
SAP recommend to use date/time combination that is valid by summer time
rules of time zone.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TZS1018 - Conversion error: date &1 time &2 time zone &3 ?

  The SAP error message TZS1018, which states "Conversion error: date &1 time &2 time zone &3," typically occurs when there is an issue with converting date and time values, particularly when dealing with time zones. This error can arise in various contexts, such as when processing data in reports, during data uploads, or when executing certain transactions that involve date and time calculations.
  Causes:
  
  Invalid Date/Time Format: The date or time provided may not be in the expected format, leading to conversion issues.
  Incorrect Time Zone: The specified time zone may not be valid or recognized by the system.
  Data Type Mismatch: There may be a mismatch between the expected data types for date and time fields.
  System Configuration: The system may not be properly configured to handle the specified time zone, especially if it is a custom or non-standard time zone.
  Daylight Saving Time Issues: If the date and time fall within a period of daylight saving time changes, it may cause conversion errors.
  
  Solutions:
  
  Check Date/Time Format: Ensure that the date and time values are in the correct format as expected by SAP. For example, the standard format for dates in SAP is YYYY-MM-DD.
  Validate Time Zone: Verify that the time zone specified is valid and correctly configured in the system. You can check the time zone settings in transaction STZAC or STZB.
  Review Data Types: Ensure that the data types for date and time fields match the expected types in the database or application logic.
  Adjust for Daylight Saving Time: If applicable, check if the date and time fall within a daylight saving time change and adjust accordingly.
  Debugging: If you have access to debugging tools, you can trace the program or transaction that is causing the error to identify the exact point of failure.
  Consult Documentation: Refer to SAP documentation or support notes related to date and time handling for additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to date and time conversion errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as STZAC (Time Zone Maintenance) and STZB (Time Zone Configuration).
  User Exits and BAdIs: If you are working with custom developments, check if there are any user exits or BAdIs that might be affecting date and time handling.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with SAP's customer support for further assistance.