nikhil1511 opened a new pull request, #1519:
URL: https://github.com/apache/poi/pull/1519

   ### Summary
   
   Logs a warning and falls back to `ModuleMap`'s existing `WIN_1252` 
(`windows-1252`) default when `PROJECT_CODEPAGE` specifies a code page that 
`CodePageUtil` or the JVM cannot resolve, rather than aborting extraction of 
all modules in the file.
   
   - `windows-1252` stays within the single- and double-byte Windows code page 
model in [MS-OVBA 
1.1](https://learn.microsoft.com/en-us/openspecs/office_file_formats/ms-ovba/7610371f-e282-4319-87c4-d5602373aaea)
 and matches `VBAMacroReader`'s behavior when `PROJECTCODEPAGE` is omitted.
   - Consistent with warning-and-continue handling for unsupported code pages 
in HSMF `MAPIMessage` and HPSF `Property`.
   
   If convenient, please also consider backporting this fix to the `5.5.x` 
branch.
   
   ### Testing
   
   - Added 
`TestVBAMacroReader#unsupportedProjectCodepageFallsBackToWindows1252` covering 
both an unmapped positive code page (`10025`) and `0`.
   
   Closes #1515
   
   *Disclosure: Developed with assistance from Google Gemini (`Generated-by: 
Google Gemini`); reviewed and verified by the author.*
   


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