Each time, the company said, clerical errors were to blame.

"It was more a clerical error than anything," he said.

Then the clerical error wound up taking the investigation on several wrong turns.

This was said to be due to a "clerical error".

The problem turned out to be a clerical error made by the city.

In the end, the report of the missing tapes turned out to be a clerical error.

So far it seems to be a simple clerical error.

But those news stories weren't generated by any "clerical error."

One other violation occurred because of a clerical error, the school said.

The current spelling came about because of a clerical error later.