3748362 - Run Now in Integration Center fails with application error: "An application error occurred. Please try again later, or notify support"

When selecting Run Now on a REST integration in Integration Center, the system shows:

• “An application error occurred. Please try again later, or notify support (with the error information of errorId=xxxxxx-xxxx-xxxxx-xxxx-xxxxxxxxx, timestamp=2026-xx-xxT00:00.000+0000, and the version information from the current screen) if the issue keeps occurring.”
• Backend internal server logs for Product Support error details include: VaultCredentialNotFoundException and VaultResponseException: 404

• SAP SuccessFactors HCM Suite
• Integration Center

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