# Faceing issue with opening wokflow after I added poi appache jar file ,used user defined java class and import java apache

**URL:** <https://community.automationedge.com/t/faceing-issue-with-opening-wokflow-after-i-added-poi-appache-jar-file-used-user-defined-java-class-and-import-java-apache/10256>\
**Category:** Process Studio\
**Tags:** rpa, learning, process-studio, ps-steps\
**Created:** [July 26, 2023, 9:17am UTC](https://community.automationedge.com/t/faceing-issue-with-opening-wokflow-after-i-added-poi-appache-jar-file-used-user-defined-java-class-and-import-java-apache/10256 "2023-07-26T09:17:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Anurag20](https://avatars.discourse-cdn.com/v4/letter/a/0ea827/32.png) [@Anurag20](https://community.automationedge.com/u/Anurag20)\
**Post date:** [July 26, 2023, 9:17am UTC](https://community.automationedge.com/t/faceing-issue-with-opening-wokflow-after-i-added-poi-appache-jar-file-used-user-defined-java-class-and-import-java-apache/10256/1 "2023-07-26T09:17:44Z")

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Hi I’m reading excel file to Genrate QR code, using user defiened java class,  
import org.apache.poi.ss.usermodel.\*; now unable to my workflow to work on after saving with diffrent name also.  
(upload://xtwy4nrfmjRVqI2mfmHT7wpE0Nq.png)

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**Author:** ![Pallavi.Rajadhyax](https://avatars.discourse-cdn.com/v4/letter/p/bc8723/32.png) [@Pallavi.Rajadhyax](https://community.automationedge.com/u/Pallavi.Rajadhyax)\
**Post date:** [July 28, 2023, 6:20am UTC](https://community.automationedge.com/t/faceing-issue-with-opening-wokflow-after-i-added-poi-appache-jar-file-used-user-defined-java-class-and-import-java-apache/10256/2 "2023-07-28T06:20:26Z")

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@mahesh.sadekar Kindly help resolve this query. thanks.