The latest iteration of Safari, version 12, has done away with its automatic support for websql. This has resulted into errors with Store v3, which uses websql for its offline database.
Follow the steps below to turn on websql once again to solve any issues you are having on Store v3, when you're using it on Safari v12.
Open Safari and go to Preferences
2. In Preferences, turn on “Show Develop menu in menu bar”
3. Once “Show Develop menu in menu bar” is enabled, click Develop > Experimental Features and uncheck “Disable Web SQL”.
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