Error on Update

HI all got this message and was told to add it to the community for help

Preparing update

Set log level to debug

Turned on maintenance mode

Repair step: Repair MySQL collation

Repair info: All tables already have the correct collation -> nothing to do

Repair step: Repair SQLite autoincrement

Repair step: Copy data from accounts table when migrating from ownCloud

Repair step: Drop account terms table when migrating from ownCloud

Updating database schema

Updated database

Repair step: Rebuild font library

Exception: sh: …/…/tools/allfontsgen: not found