[SmartCrawl Pro] SmartCrawl Pro plugin issue

Dear support team,
I have received an email from WordPress stating that a plugin or theme caused a fatal error on my website.
Error description below…
Error Details
An error of type E_ERROR was caused in line 130 of the file /home1/albkohac/public_html/universfootball/wp-content/plugins/wpmu-dev-seo/includes/external/simple_html_dom.php. Error message: Out of memory (allocated 259207168) (tried to allocate 2097160 bytes)
When seeking help with this issue, you may be asked for some of the following information:
WordPress version 5.3.2
Current theme: Avada (version 6.2.2)
Current plugin: SmartCrawl Pro (version 2.6.1)
PHP version 7.3.13
Thank you!