More information about error in update.

Here is the output from my last update:

1. /opt/observium/discovery.php -u

___ _ _
/ _ \ | |__ ___ ___ _ __ __ _() _ _ _ __ ___

__/ |._/ |_/ _||| _/ || _,||| || ||
Observium Professional 0.15.9.7037
http://www.observium.org

– Updating database/file schema
220 -> 221 ... (db) done.
221 -> 222 ... (db) done.
222 -> 223 ... (db) done.
223 -> 224 ... (db) done.
224 -> 225 ... (db) done.
225 -> 226 ... (db) done.
226 -> 227 ... (db) done.
227 -> 228 ... (db) done.
228 -> 229 ... (db) done (1 errors).
229 -> 230 ... (db) done.
.....

For me as an administrator it is not clear what I have to do with this "(1 errors)". It would be great if it references as well to where I can find more information about the error. e.g. the log file. Because at the moment I am lost.