ODK Central, error when publishing a new form

Hello!

I installed ODK central v2025.1.4 on a Linux machine, and a few weeks after I upgraded to the ODK central v2025.2.

Today, for the first time I tried to publish my first form, but I'm getting a 500 Error. Checking the logs I'm getting the following error message:

service-1             | error: syntax error at or near "action"
service-1             |     at Parser.parseErrorMessage (/usr/odk/node_modules/pg-protocol/dist/parser.js:285:98)
service-1             |     at Parser.handlePacket (/usr/odk/node_modules/pg-protocol/dist/parser.js:122:29)
service-1             |     at Parser.parse (/usr/odk/node_modules/pg-protocol/dist/parser.js:35:38)
service-1             |     at TLSSocket.<anonymous> (/usr/odk/node_modules/pg-protocol/dist/index.js:11:42)
service-1             |     at TLSSocket.emit (node:events:518:28)
service-1             |     at TLSSocket.emit (node:domain:489:12)
service-1             |     at addChunk (node:internal/streams/readable:561:12)
service-1             |     at readableAddChunkPushByteMode (node:internal/streams/readable:512:3)
service-1             |     at Readable.push (node:internal/streams/readable:392:5)
service-1             |     at TLSWrap.onStreamRead (node:internal/stream_base_commons:189:23)
service-1             |     at TLSWrap.callbackTrampoline (node:internal/async_hooks:130:17) {
service-1             |   length: 96,
service-1             |   severity: 'ERROR',
service-1             |   code: '42601',
service-1             |   detail: undefined,
service-1             |   hint: undefined,
service-1             |   position: '684',
service-1             |   internalPosition: undefined,
service-1             |   internalQuery: undefined,
service-1             |   where: undefined,
service-1             |   schema: undefined,
service-1             |   table: undefined,
service-1             |   column: undefined,
service-1             |   dataType: undefined,
service-1             |   constraint: undefined,
service-1             |   file: 'scan.l',
service-1             |   line: '1180',
service-1             |   routine: 'scanner_yyerror',
service-1             |   notices: []
service-1             | }

Any idea what might be the problem? I'm using a external database server.

As I don't have any data at the moment, I can destroy the server and start again, but I was hoping to learn how to fix it!

Thanks!