xowa/xtns/Scribunto/engines/Luaj/MWServer.lua:59 vm error: gplx.Err: strict:1: unexpected symbol 123 ({)

[Aphexus]

getting that error many times in a page such as at

https://en.wikipedia.org/wiki/Projective_plane

References
Script error: @XOWA/bin/any/xowa/xtns/Scribunto/engines/Luaj/MWServer.lua:59 vm error: gplx.Err: strict:1: unexpected symbol 123 ({)
Script error: @/XOWA/bin/any/xowa/xtns/Scribunto/engines/Luaj/MWServer.lua:59 vm error: gplx.Err: strict:1: unexpected symbol 123 ({)
Script error: @XOWA/bin/any/xowa/xtns/Scribunto/engines/Luaj/MWServer.lua:59 vm error: gplx.Err: strict:1: unexpected symbol 123 ({)

and seems to be happening at the following code:

.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}

[Mizstik]

I believe this is caused by the outdated mediawiki template parser inside of xowa. If you use an old enough dump (like 2021) it doesn't have this error.