Since fa8f759f834b there is an assert to ensure that changing values of xxx2Many can be done only if the field had a initial value. Closes #13535
############## Account Module ############## The *Account Module* defines the fundamentals needed for basic double entry accounting. It also includes templates for a basic chart of accounts, balance sheet and income statement. .. toctree:: :maxdepth: 2 setup usage/index design/index reference releases