yunzhongshu opened a new issue, #17418: URL: https://github.com/apache/echarts/issues/17418
### Version 5.3.3 ### Link to Minimal Reproduction _No response_ ### Steps to Reproduce My Chart has more than 10 blocks that are drawn by custom. The count of the blocks is not fixed, maybe from 20->22, or 21 ->20 when the count is reduced, the error reproduced ### Current Behavior  have the error above ### Expected Behavior No error ### Environment ```markdown - OS: macOS Catalina - Browser: Version 103.0.5060.114 (Official Build) (x86_64) - Framework: [email protected] ``` ### Any additional comments? In node_modules/echarts/lib/chart/custom/CustomView.js line 168 When the error is reproduced, it will run the 168th line and get an undefined error  need to add a null check before running the applyLeaveTransition function -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
