What is the meaning of the error message EBICS_BANK_PUBKEY_UPDATE_REQUIRED?
Occasionally the banks, e.g. the German Bundesbank, change their public key.
The error message
091008:[EBICS_BANK_PUBKEY_UPDATE_REQUIRED] (EBICS error number 091008) means that the bank keys configured in your BL Banking are no longer up-to-date. Please check with your bank to learn if they have changed the keys.
Go to the Jobs perspective and then to the tab Bank connections. Mark the concerned bank and update it. Then, a window might open asking you to check the hash values of the key. Compare the displayed keys with those provided by the bank and then confirm that you will accept the new keys.