"At our side OR At our end" - which is the correct one?

English as a Second Language English Vocabulary, Grammar and Idioms
1

“At our side OR At our end” - which is the correct one?

At our end, we don’t have any problem with this work station.
OR
At our side, we don’t have any problem with this work station.

Thanks,
Suresh

2

.
At our end, we don’t have any problem with this work station.
and
On our side, we don’t have any problem with this work station.
.