Database “DESCRIBE IF” errors

On updating Ninja Forms from v3.4.26 to v3.4.30, I Query Monitor* has highlighted an issue with the update process. In particular, it indicates there were multiple instances of Database Errors resulting from a “DESCRIBE IF;” query – further details below in “ERROR MESSAGE reported by Query Monitor” section.
[* Query Monitor, Version 3.6.4, By John Blackbourn]

Environment:
============
WordPress 5.5.1
MySQL 5.7.31
PHP 7.2.24

ACTIONS
=======
Updated from Ninja Forms v3.4.26 to v3.4.30

EXPECTED OUTCOME
================
o Ninja Forms Updated
o Forms Work
o No error messages

ACTUAL OUTCOME
==============
o Ninja Forms Updated
o Forms Work
o Error messages – see below.

ERROR MESSAGE reported by Query Monitor
================================================
DESCRIBE IF;

NF_Database_Migrations_Forms->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Forms.php:47
NF_Abstracts_Migration->_run()
wp-content/plugins/ninja-forms/includes/Abstracts/Migration.php:134
NF_Database_Migrations->migrate()
wp-content/plugins/ninja-forms/includes/Database/Migrations.php:40
Ninja_Forms::instance()
wp-content/plugins/ninja-forms/ninja-forms.php:451
Ninja_Forms()
wp-content/plugins/ninja-forms/ninja-forms.php:1207

Plugin: ninja-forms You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘IF’ at line 1

———
There were 10 further errors reported, all of the same format, with the only differences being in first three lines of detail (as shown below).

NF_Database_Migrations_FormMeta->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/FormMeta.php:39
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Fields->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Fields.php:46
NF_Abstracts_Migration->_run()

NF_Database_Migrations_FieldMeta->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/FieldMeta.php:38
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Actions->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Actions.php:42
NF_Abstracts_Migration->_run()

NF_Database_Migrations_ActionMeta->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/ActionMeta.php:39
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Objects->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Objects.php:37
NF_Abstracts_Migration->_run()

NF_Database_Migrations_ObjectMeta->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/ObjectMeta.php:37
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Relationships->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Relationships.php:36
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Upgrades->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Upgrades.php:37
NF_Abstracts_Migration->_run()

NF_Database_Migrations_Chunks->run()
wp-content/plugins/ninja-forms/includes/Database/Migrations/Chunks.php:30
NF_Abstracts_Migration->_run()

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