Simplified input test file like so:
debtor_no,branch_code,reference,date,payment_id,sales_type_name,dimension_id,dimension2_id,item_code,item_description,quantity,unit,price,discountpercentage,freightcost,delfrom,deldate,delto,deladdress,contactphone,email,custref,shipvia,comments,ex-rate,prep_amount
1,1,"002/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"003/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"004/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"005/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"006/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"007/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"008/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
1,1,"009/2019",2019/05/11,3,"Retail",1,2,"5550","Flight",1.0000,"Each",26.5000,0,0,"ID List",2019/05/11,"Robert G Rackl","Bergseth Field","","","10001",0,"",0,0
Strangely, processing now stops after showing first two (instead of three) invoices in green.
Running PHP version 7.2; tried going to 5.6 - no difference.
Here are some settings in php.ini: (no changes made)
max_input_vars=4000
memory_limit=512M
report_memleaks = on
;sysvshm.init_mem [commented out]
opcache.memory_consumption=64
opcache.interned_string_buffer=4
opcache.max_wasted_percentage=5
opcache.revalidate_freq=2
opcache.preferred_memory_model= [left empty]
opcache.protect_memory=0
opcache.mmap_base= [left empty]
opcache.file_cache= [left empty]
opcache.file_cache_only=0
Here are some settings in .htaccess: (no changes made)
php_value memory_limit 512M
php_value post_max_size 512M
php_value error_log "/home/pugets12/logs/FA_errors.log" [last written to in May 2020]
php_value max_input_vars 4000
php_value error_reporting E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
php_flag display_errors On
php_flag display_startup_errors Off
php_flag log_errors On
Any suggestions?