Why is my Gutenberg block returning an error after initial save?
The main issue in your code is with these two attributes which use the exact same selector (the first span element in your block content): checkListItemOne: { type: ‘string’, source: ‘html’, selector: ‘span’ // same as below }, checkListItemTwo: { type: ‘string’, source: ‘html’, selector: ‘span’ // same as above } Which means the block … Read more