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Installed Magento 2.3.1 with sample data there are no js errors on the console. After changing the theme to Ves Need from Venustheme.

http://www.venustheme.com/theme/ves-need/

On hard refresh, the below issue occurs.

Uncaught TypeError: Cannot read property 'version' of undefined

Can someone please help me to sort out this issue.

  • can you post complete error log – fmsthird Apr 8 '19 at 9:56
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    Upgraded the jquery-ui from 1.10 to 1.12, now no issues. Thank you so much. – Ejilarasan J Apr 8 '19 at 10:18
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Updated jquery-ui from 1.10 to 1.12 now the version issue has been resolved.

| improve this answer | |
  • I'm getting this error as well, could you share the process you used to upgrade jQuery? – Daniel Black Jun 5 '19 at 15:47
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    On Magento 2.2, under lib/web/jquery/jquery-ui.js replace the downloaded jquery-ui codes. Finally, run the below command from the Magento root directory code sudo chmod 777 -R var/* pub/* generated/* php bin/magento setup:upgrade php bin/magento setup:di:compile php bin/magento setup:static-content:deploy -f php bin/magento indexer:reindex php bin/magento cache:clean php bin/magento cache:flush sudo chmod 777 -R var/* pub/* generated/* code – Ejilarasan J Jun 6 '19 at 16:01

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