LIC1435E I/O error when registering DB2 licence

We need a DB2 server for HCL Connections and I downloaded the installation and licence files from HCL Flexnet. The installation itself works, I could create a test database. But it’s not possible to add our licence file: [[email protected] ~]$ /opt/ibm/db2/V11.1/adm/db2licm -a /tmp/db2/licence/ese_u/db2/license/db2ese_u.lic LIC1435E The license could not be added because of an I/O error.…

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