New Clean Install zencart 1.5.6c PHP 5.6
installed Westminster)New template
Installed IH5 1.5.7
Fatal error result:

26-Dec-2019 18:13:33 UTC] Request URI: /admin/image_handler.php?ih_page=manager&products_filter=2, IP address: 100.2.167.42
--> PHP Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 19160 bytes) in /home/tell/public_html/includes/classes/bmz_image_handler.class.php on line 824.
reinstalled IH5 twice same error
used IH5's version of additional_images.php knowing that will effect zen lightbox
also used the Westminster version of additional_images.php.

trying to get IH5 to work first
As soon as 1st product was created with 1 image file , fatal error surfaces.
bmz_cache folder permissions are 777
Checked database configuration table ok.

any help would be appreciated