Updated for DOI-USGS#4038

CHANGELOG.md

@@ -30,6 +30,9 @@ update the Unreleased link so that it compares against the latest release tag.
 
 ## [Unreleased]
 
+
+- Fixed so required files are reported instead of continuing without them. [#4038](https://github.com/USGS-Astrogeology/ISIS3/issues/4038)
+
 ## [4.3.0] - 2020-10-02
 
 ### Changed
@@ -48,7 +51,7 @@ update the Unreleased link so that it compares against the latest release tag.
 
  - mro/hideal2pds app now writes the correct SAMPLE_BIT_MASK values to the output label. [#3978](https://github.com/USGS-Astrogeology/ISIS3/issues/3978)
 
-  - For Histograms in ISIS, updated the math for calculating what bin data should be placed in and the min/max values of each bin to be more intuitive. In addition, the output of hist and cnethist were changed to display the min/max values of each bin instead of the middle pixel's DN. [#3882](https://github.com/USGS-Astrogeology/ISIS3/issues/3882)
+ - For Histograms in ISIS, updated the math for calculating what bin data should be placed in and the min/max values of each bin to be more intuitive. In addition, the output of hist and cnethist were changed to display the min/max values of each bin instead of the middle pixel's DN. [#3882](https://github.com/USGS-Astrogeology/ISIS3/issues/3882)
 
 ### Added