Cannot Change from Paragraph to Heading

I was simply trying to change some text in a column from paragraph to heading. When I start to place my cursor on the paragraph mark to change it to headings, I immediately get an error. The error says, “The editor has encountered an unexpected error.” This is the error’s contents are below. I don’t know how to fix this, and I hope someone can help.

el@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18159
el/<@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18199
el@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18170
tl@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18324
nl/</<@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18845
nl/<@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18786
nl@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:7:18754
@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:82:16287
s/<@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/hooks/index.min.js?ver=b68e9bf6562f8d63a320:1:3326
Ye/<@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/blocks/index.min.js?ver=ef32a8c32828296c96fd:1:101836
Ye@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/blocks/index.min.js?ver=ef32a8c32828296c96fd:1:101803
If@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/block-editor/index.min.js?ver=e77887cf64cfccb04f59:55:2527
wt@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:47623
vr@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:56438
$s@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:121605
wl@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:88646
bl@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:88574
yl@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:88435
il@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:85259
ol@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react-dom.min.js?ver=18:1:83816
v@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react.min.js?ver=18:1:3386
ce@https://opendoorsangha.org/wp-content/plugins/gutenberg/build/vendors/react.min.js?ver=18:1:5527
@https://opendoorsangha.org/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0:1:16077
P@https://opendoorsangha.org/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0:1:15884
E@https://opendoorsangha.org/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0:1:15942