Note: You will need to install a new 3.11 site, perhaps with: mdk create -t -n test75281 -v 311 Between each version test you will need to reset it back to 3.11 and reinstall it at 3.11 and then complete the next step. Basic steps Install a fresh 3.11 Moodle instance using MariaDB or MySQL Install the mod_bigbluebuttonbn plugin version 2.4 https://github.com/blindsidenetworks/moodle-mod_bigbluebuttonbn/tree/v2.4-stable Create the recording table manually CREATE TABLE mdl_bigbluebuttonbn_recordings ( id BIGINT(10) NOT NULL auto_increment, courseid BIGINT(10) NOT NULL, bigbluebuttonbnid BIGINT(10) NOT NULL, groupid BIGINT(10), recordingid VARCHAR(64) COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', headless TINYINT(1) NOT NULL DEFAULT 0, imported TINYINT(1) NOT NULL DEFAULT 0, status TINYINT(1) NOT NULL DEFAULT 0, importeddata LONGTEXT COLLATE utf8mb4_0900_ai_ci, timecreated BIGINT(10) NOT NULL DEFAULT 0, usermodified BIGINT(10) NOT NULL DEFAULT 0, timemodified BIGINT(10) NOT NULL DEFAULT 0, CONSTRAINT PRIMARY KEY (id) , KEY mdl_bigbreco_cou2_ix (courseid) , KEY mdl_bigbreco_rec2_ix (recordingid) , KEY mdl_bigbreco_big2_ix (bigbluebuttonbnid) , KEY mdl_bigbreco_use2_ix (usermodified) ) ENGINE = InnoDB DEFAULT COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT=Compressed COMMENT='The bigbluebuttonbn table to store references to recordings'; Check out the test branch (400, 401, master) Run the CLI upgrade: php admin/cli/upgrade.php Confirm that the site was upgaded without error