Yes I have now checked the bug #1120685, there seems to be incompatibilities in ABI from sqlcipher 1 -> 2 and the kmymoney db abstraction plugin is not ready for it.
A sign is that preloading the older library solves the problem. There is only one removal of the symbol sqlcipher_exportFunc from 1->2 , which is not used else kmymoney won;t be able to build. Presently the debug information is not sufficient to pinpoint the problem. I checked out the source of kmymoney, where I found that kmymoney is utilizing the QT library QSqlDatabase sqlcipher plugin for DB access. The sqlite plugin seems like a variant of https://github.com/sjemens/qsqlcipher-qt5 which supports upto sqlcipher 4.5.3, no updates since 2022. Plugin path within the source: kmymoney/plugins/sqlcipher Debugging the issue with kmymoney targeting the sqlcipher plugin will likely be the way forward. Regards, Syed Shahrukh Hussain.
libsqlcipher.so.1
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libsqlcipher.so.2
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