Fatal error: Uncaught Error: Call to undefined function utf8_substr() Çözümü / Solved

Merhabalar,

Opencart sitemizde Fatal error: Uncaught Error: Call to undefined function utf8_substr() başlığıyla bir hata aldık.

Fatal error: Uncaught Error: Call to undefined function utf8_substr() in /home/xxx/public_html/storage/modification/catalog/model/tool/image.php:11
Stack trace: 
#0 /home/xxx/public_html/storage/modification/system/engine/loader.php(256): ModelToolImage->resize('catalog/logofas...', 267, 59) 
#1 /home/xxx/public_html/system/engine/proxy.php(47): Loader->{closure}(Array, Array) 
#2 /home/xxx/public_html/catalog/model/journal3/image.php(73): Proxy->__call('resize', Array) 
#3 /home/xxx/public_html/storage/modification/system/engine/loader.php(256): ModelJournal3Image->resize('catalog/logofas...') 
#4 /home/xxx/public_html/system/engine/proxy.php(47): Loader->{closure}(Array, Array) 
#5 /home/xxx/public_html/catalog/controller/journal3/settings.php(275): Proxy->__call('resize', Array) 
#6 /home/xxx/public_html/storage/modification/system/engine/action.php(79): ControllerJournal3Settings->index(Array) 
#7 /home/xxx/public_html/storage/modification/system/engine/loader.php(54): Action->exec in /home/xxx/public_html/storage/modification/catalog/model/tool/image.php on line 11

İlgili hataya neden olan şey php sürümümüzde “mbstring” eklentisinin eksik olmasıydı.

1. WHM -> EasyApache4 -> Özelleştirk -> Kullanmış olduğunuz php sürümüne seçerek eklentilerden “mbstring” özelliğini aktif edin.
2. Apache’yi derlemeyi bitirin ve tekrar kontrol ediniz.