Enter key produces error

[danalvrz]

volto 18.0.3
plone 6.0.13
volto-introduction-block 1.0.0

When hitting the Enter key to make a new element inside the Introduction block it gives an error:

Uncaught TypeError: blockProps.saveSlateBlockSelection is not a function
    createAndSelectNewBlockAfter volto-blocks.js:167
    batchedUpdates$1 React
    createAndSelectNewBlockAfter volto-blocks.js:166
    insertBreak insertBreak.js:46
    batchedUpdates$1 React
    insertBreak insertBreak.js:43
    insertBreak insertBreak.js:11
    insertBreak breakList.js:66
    insertBreak index.es.js:1477
    react client.js:230988
volto-blocks.js:167
    createAndSelectNewBlockAfter volto-blocks.js:167
    batchedUpdates$1 React
    createAndSelectNewBlockAfter volto-blocks.js:166
    insertBreak insertBreak.js:46
    batchedUpdates$1 React
    insertBreak insertBreak.js:43
    insertBreak insertBreak.js:11
    insertBreak breakList.js:66
    insertBreak index.es.js:1477
    onDOMBeforeInput index.es.js:3656