release_vassal = TSW requires them to be a vassal already to release from that status. Use
release = TSW create_vassal = TSW
Getting Lourenço Marques event - although not an error, it would be better to scope to the state from a province already checked in the trigger - 2049 or 2050 instead of 2051
release_vassal = TSW
requires them to be a vassal already to release from that status. Userelease = TSW create_vassal = TSW
Getting Lourenço Marques event - although not an error, it would be better to scope to the state from a province already checked in the trigger - 2049 or 2050 instead of 2051