Issue Summary

After install Jira Service Management the Control Chart report receives the error "Uncaught TypeErrorUncaught TypeError: Cannot read properties of null (reading 'target')" when clicking any clickable area at the graph.

Steps to Reproduce

• Install Jira Software 8.18.2
• Create a sample project SCRUM with sample data
• Open the SCRUM board, click at the reports option and select the 'Control Chart' report
• Click over any clickable area at the graph, for instance, over a green bullet
• Observe that a small popup window will be presented
• Install Jira Service Management 4.18.2
• Open the same SCRUM board and reach the same 'Control Chart' Report
• Click again over the graph

Expected Results

• The same popup previously presented is showed again

Actual Results

• The same popup previously presented is showed again however at the top of the page we can see a Red box showing "An error occurred"
• Expanding the box we can see the following detailed error:

  An error occurred
  
  Please try refreshing the page, or contact your administrator / Atlassian Support if the problem continues.
  
  Details
  Exception: Uncaught TypeError: Cannot read properties of null (reading 'target')
  Resource: http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true
  Line: 8827
  Column: 537
  Environment
  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36
  Stack trace
  TypeError: Cannot read properties of null (reading 'target')
  at Function. (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:8827:537)
  at http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2163:904
  at Function.Jr (http://localhost:8080/s/899e265239ef94ebc921f8afb0c6e7ef-CDN/-qlc2g/818002/1dlckms/b010590c6bf05111a0c8a3654c7c3a23/_/download/contextbatch/js/_super/batch.js?locale=en-BR:700:12519)
  at Function. (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2163:875)
  at Function.t [as onDrag] (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2163:947)
  at n (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2298:163)
  at HTMLDivElement. (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2298:434)
  at HTMLDivElement. (http://localhost:8080/s/5345d47ead940417606fe4fe5aede606-T/-qlc2g/818002/1dlckms/3a10cfadbe388870b460dc4b2e252c09/_/download/contextbatch/js/gh-rapid-work,greenhopper-rapid-non-gadget,jira.project.sidebar,jira.global,atl.general,com.atlassian.jira.projects.sidebar.init,jira.general,-_super/batch.js?agile_global_admin_condition=true&baseurl-check-resources=true&flexboards=true&healthcheck-resources=true&jag=true&jaguser=true&locale=en-BR&whisper-enabled=true:2273:405)
  at HTMLDivElement.dispatch (http://localhost:8080/s/899e265239ef94ebc921f8afb0c6e7ef-CDN/-qlc2g/818002/1dlckms/b010590c6bf05111a0c8a3654c7c3a23/_/download/contextbatch/js/_super/batch.js?locale=en-BR:64:3915)
  at HTMLDivElement.v.handle (http://localhost:8080/s/899e265239ef94ebc921f8afb0c6e7ef-CDN/-qlc2g/818002/1dlckms/b010590c6bf05111a0c8a3654c7c3a23/_/download/contextbatch/js/_super/batch.js?locale=en-BR:64:2004)
  

In Firefox, following javascript error message will be shown:

Exception: TypeError: r.event is null

Workaround

Not known at this time, however despite the error message, the report's functionalities are working fine:

• Popup is presented, with the correct values;
• Clicking at the issues linked on the popup window, the issue navigator is opened correctly

Notes

Testing with Jira Softwar 8.17.0 / Jira SM 4.17.0 the error does not occur.