preg_replace(): Passing null to parameter #3

Problem/Motivation

When visiting admin/dxpr_studio/dxpr_builder/content it throws this error:
Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in Drupal\Core\Database\Connection->escapeTable() (line 1004 of core/lib/Drupal/Core/Database/Connection.php).

Steps to reproduce

Visit admin/dxpr_studio/dxpr_builder/content

I am running drupal bare bones 11.1.3