Question83Views eppik Member since 2016 2 posts PEGA Posted: June 5, 2017Last activity: April 6, 2018 Closed Custom Library is not compiling after upgrade from 7.1.9 to 7.2.2Background: User is using the below libraries in a couple of functions.com.pega.apache.poi.xssf.usermodel.*com.pega.apache.poi.openxml4j.opc.*These package names have now changed in 7.2.2 to org.apache..poi.xssf.usermodel.* and org.apache.poi.openxml4j.opc.* respectively.Since these are used in functions, the Library Generation is failing. Please find the screenshot below.And user is not able to change the import statements in Function and save it since the library is not compiled. Please find the screenshot below. Please suggest the next steps Low-Code App Development Upgrades ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! ×Close popover Delete Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question.