Error 505 while update game on Play Store

Our old game developed in Cocos2d iOS which was converted by Apportable for Google play…
Now we use cocos2dx for developing our game… we upload that apk to google play… but when updating from play store it Shows:
Can’t install app (Ertror code: -505)
is there any solution???

you tried these?:
https://drfone.wondershare.com/android-issue/error-505.html