Unable to import LAR files if the site has structures with fieldsets inside them

Issue

• We are trying to import a LAR from one instance to another. We are noticing that if the LAR has structures which include fieldsets the following error is getting thrown while importing the LAR and the process is failing.
  

  There are missing references that could not be found in the current environment. Please import the following elements first:
  
      Dynamic Data Mapping Structure: Demo Fieldset(Referenced by a Dynamic Data Mapping Structure: Demo Structure)

 

Environment

• Liferay DXP 7.4

 

Resolution

• Please upgrade Liferay to 7.4 Update 60
• Or request a hotfix with the LPS-172231

 

Additional Information

• DXP 7.3 and 7.4 - Release Changes
• Installing a Bundled Service Pack or Update