Teams crashing on iOS when opening Chatbot that send adaptive card with image

Question

I tried around building a custom Chatbot and were able to create a active card as response by the bot. When testing the bot online or via MS Teams on Mac, the bot works exactly as expected. However, if the conversation with the bot is opened on mobile devices (only tested iOS) the current version of Teams (4.8.1) crashes immediately. I was able to reproduce the problem with different accounts and different devices. The adaptive card only featured a text and a image tag with a link to an image.

I cannot see how to solve this problem on my own, but maybe this might be addressed with a bugfix.

Thank you in advance,
Sebastian

Answer 1

The devices have both over 100GB storage left. I tried it again with a fresh reboot to free up memory, but same result. I can imagine there are some restrictions regarding ram usage within iOS? In order to check if the problem is connected to the specific chat, since I sensed a lot of images using this approach. However, the problem also occurs when I use a fresh teams-account as soon as the first message from the bot is received. For me this points at some application-level problem. I append the newest crash log from today as well.

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"uptime" : 460000,
"procLaunch" : "2022-06-07 09:55:46.2493 +0200",
"procRole" : "Foreground",
"version" : 2,
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"modelCode" : "iPad7,1",
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"osVersion" : {
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"train" : "iPhone OS 15.5",
"releaseType" : "User",
"build" : "19F77"
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"captureTime" : "2022-06-07 09:55:52.8439 +0200",
"incident" : "3F3E52A4-C036-4FB2-AD16-0E91CFECDB43",
"bug_type" : "309",
"pid" : 54196,
"procExitAbsTime" : 11069114387593,
"cpuType" : "ARM-64",
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Answer 2

Thank you for your effort!
Sadly, the problem is still existent under the current version for me, even after deleting and reloading the Teams data within the settings. Within my card, I did not use a hero card as shown by you, but an adaptive card. Further I am not Sure if the problem may arise due to the fact, that the used Image is derived from an API rather than a file url with a .png Suffix?
If there is some kind of log from Teams on iOS that I could provide, please send me a link to fitting instructions.

Answer 3

I find it difficult to produce a mentioned recording, since the tenant is used with sensitive data and I don't have the capacities to blur everything in the record. However, I found the Log-File of teams within my iOS settings. May this help?208186-teamspaceapp-2022-06-03-100850.txt