if i'm using api express how can i upload image,i can't find any tutorial about image,the tutorial only for text

i got this error

at the service i test it run perfectly but on the app it display this error?

i already ask in the new forum,also the answer out of scope even i'm using api express, all tutorial about text or string only,no discussion for image at all

hey alena,the link you gave are using appery database? i want to upload to sql database, i have been searching tutorial upload image using php,but the support said out of scope,but there's no tutorial how to upload using api express like the link i gave u above,only for the text?

i want to upload it to sql database any example? one more thing is it possible to do if i upload photo to appery.io database and the upload process refer to login process i made in php script ?

is it possible to use sql database using this code?

how can i map the blob image to appery? i'm using blob data type in mysql database. how can i upload it?

i already connected with the restful services, but still how to add files to appery? i have go through this https://devcenter.appery.io/tutorials... but it only for text data,how about files?