If you are not using AC_CONFIG_HEADERS, value should not contain any ‘#’ characters, as make tends to eat them. (autoconf manual) ...
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ID Status▲ Resolution Sev Product Comp Assignee▲ Reporter Summary
50641 CLOS DUPL nor Sisyphus nextclou ekorneechev a1exak2377 Failed to move the old config directory to its new location

File a new bug in the "nextcloud-client" component of the "Sisyphus" product