Please see also here:
.
EDIT: you have to check EVERY first line in ALL .config files in (/userdata/config/ and subfolders), if there are any of these entries:
.
especially: …/org/openhab/dashboard.config
WRONG:
:org.apache.felix.configadmin.revision:=“1.0”
or
:org.apache.felix.configadmin.revision:=“2.0”
or
:org.apache.felix.configadmin.revision:=“3.0”
…and so on…
.
CORRECT:
:org.apache.felix.configadmin.revision:=L"1"
or
:org.apache.felix.configadmin.revision:=L"2"
or
:org.apache.felix.configadmin.revision:=L"3"
…and so on…
Please also check: …/org/openhab/ addons.config