# \#computed-fields **URL:** https://community.blippa.com/tag/computed-fields/235.md [Latest](https://community.blippa.com/latest.md) · [Categories](https://community.blippa.com/categories.md) · [Tags](https://community.blippa.com/tags.md) --- ## [Using "Computed Fields" to fix mismatch in Data Sources](https://community.blippa.com/t/using-computed-fields-to-fix-mismatch-in-data-sources/81)
**Author:** [@mrunhem](https://community.blippa.com/u/mrunhem)\ **Replies:** 0\ **Last updated:** [January 30, 2023, 10:48am UTC](https://community.blippa.com/t/using-computed-fields-to-fix-mismatch-in-data-sources/81 "2023-01-30T10:48:51Z")
In the BAS boat registry, the previous difference between the boat winter storage and the summer dock spot has been removed for some strange reason. So, we had to make a fix that “creates” fake variables according to a …