Warning: Incorrect use of |link filter

You have called the |link filter with a parameter of type 'NULL', but |link accepts record (Content) or taxonomy.

• ContentExtension->getLink()
• __TwigTemplate_20e2de14…->block_main() - line 106
• Template->displayBlock() - line 171
• __TwigTemplate_9d95f8f7…->block_body() - line 124
• Template->displayBlock() - line 171