Bug report #21491
Autogenerated forms for M-N relations problem
|Affected QGIS version:||3.4.5||Regression?:||No|
|Operating System:||Windows 10||Easy fix?:||No|
|Pull Request or Patch supplied:||No||Resolution:|
|Crashes QGIS or corrupts data:||No||Copied to github as #:||29308|
Autogenerated forms for many to many (N-M) relations don´t hide pivot tables so you have to set ids instead entities from both sides. But if you use "Drag and drop designer" it works fine. I attach an example with the two cases.