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I just installed the latest version of Baseprice 1.1.1 on Magento 2.2.1 with:
wget https://github.com/Magenerds/BasePrice/archive/1.1.1.tar.gz
tar xvzf 1.1.1.tar.gz
mv BasePrice-1.1.1 /var/www/mydomain.de/app/code/Magenerds/BasePrice
./bin/magento setup:upgrade
After going to the admin backend and selecting Magenerds -> Baseprice i get:
1 exception(s):
Exception #0 (InvalidArgumentException): Unable to unserialize value.
Yes, as the serialization mechanism changed in Magento for 2.2 it can not deserialized if you have already had a serialized configuration before and just updated the module.
I have to admit that we should have changed the version number accordingly, at least increased the minor version of the module.
A solution would be to delete the entry in the database and re-save it.
I just installed the latest version of Baseprice 1.1.1 on Magento 2.2.1 with:
wget https://github.com/Magenerds/BasePrice/archive/1.1.1.tar.gz
tar xvzf 1.1.1.tar.gz
mv BasePrice-1.1.1 /var/www/mydomain.de/app/code/Magenerds/BasePrice
./bin/magento setup:upgrade
After going to the admin backend and selecting Magenerds -> Baseprice i get:
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