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3779973 - [FUTURE FATAL] data type 'XXXX' could not be found

Symptom

  • For SAPUI5 project, browser console log shows error like:

    Log-dbg.js:497 2026-06-05 10:06:34.970800 [FUTURE FATAL] data type 'FileFormat' could not be found. -  
    log @ Log-dbg.js:497
    (anonymous) @ Log-dbg.js:247
    throws @ future-dbg.js:53
    errorThrows @ future-dbg.js:110
    (anonymous) @ DataType-dbg.js:582
    (anonymous) @ DataType-dbg.js:548
    (anonymous) @ ManagedObject-dbg.js:1604
    (anonymous) @ ManagedObject-dbg.js:1493
    (anonymous) @ Element-dbg.js:554

    or

    Log-dbg.js:497 2026-06-05 10:07:07.641899 [FUTURE FATAL] data type 'number' could not be found. -  
    log @ Log-dbg.js:497
    (anonymous) @ Log-dbg.js:247
    throws @ future-dbg.js:53
    errorThrows @ future-dbg.js:110
    (anonymous) @ DataType-dbg.js:582
    (anonymous) @ ManagedObject-dbg.js:1604
    (anonymous) @ ManagedObject-dbg.js:1493
    (anonymous) @ Element-dbg.js:554


Read more...

Environment

  • SAPUI5
  • Fiori

Product

SAP S/4HANA all versions

Keywords

FUTURE FATAL , KBA , CA-FLP-FE-UI , SAP Fiori Launchpad User Interface , Problem

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