Looking on the internet deeply has found these results:

There had been a discrepancy is the most popular phrase on the web.

There has been a discrepancy 11,650 results on the web	There had been a discrepancy 1103,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
According to the question, since the attacks of 11 September there has been a discrepancy between the strategies the European Council agrees and their implementation: the Council has failed to safeguard fundamental rights and civil liberties while at the same time increasing public security. Many petitions point to a discrepancy between the legal provisions and European integration. There's a discrepancy between Dr Fletcher's ghost Because my team was alerted to a discrepancy with the container's weight. I am just trying to clear up a discrepancy for my article. town testimony and your statement. However, it has to be said that there has been a discrepancy between the Commission's estimates of the candidate countries' absorption capacity and estimates of disbursements and the real situation on the ground. It's a discrepancy, absolutely.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

There has been a discrepancy

11,650 results on the web

There had been a discrepancy

1103,000 results on the web

More popular!

According to the question, since the attacks of 11 September there has been a discrepancy between the strategies the European Council agrees and their implementation: the Council has failed to safeguard fundamental rights and civil liberties while at the same time increasing public security.
Many petitions point to a discrepancy between the legal provisions and European integration.
There's a discrepancy between Dr Fletcher's ghost
Because my team was alerted to a discrepancy with the container's weight.
I am just trying to clear up a discrepancy for my article.
town testimony and your statement.
However, it has to be said that there has been a discrepancy between the Commission's estimates of the candidate countries' absorption capacity and estimates of disbursements and the real situation on the ground.
It's a discrepancy, absolutely.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.