Failed to upload attachment on Android app

[janbaum]

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Describe the bug
Got the following error while trying to upload a 4 page pdf as an attacent to a card on android via the apps own upload function

Client details:

• OS: Android, GrapheneOS
• Version latest
• Device: Google Pixel 8a

Logs

Nextcloud log (data/nextcloud.log)

App Version: 1.24.7
App Version Code: 1024007
Server App Version: 1.16.3
App Flavor: fdroid

Files App Version Code: 330000190 (PROD)

---

OS Version: 6.1.166-android14-11-gc2a63a5bb1f3(2026040801)
OS API Level: 36
Device: akita
Manufacturer: Google
Model (and Product): Pixel 8a (akita)

---

it.niedermann.nextcloud.deck.exceptions.UploadAttachmentFailedException: Unknown URI scheme
at it.niedermann.nextcloud.deck.ui.card.attachments.CardAttachmentsFragment$5.onError(CardAttachmentsFragment.java:387)
at it.niedermann.nextcloud.deck.remote.api.ResponseCallback$1.onError(ResponseCallback.java:76)
at it.niedermann.nextcloud.deck.remote.helpers.DataPropagationHelper$1.lambda$onError$1(DataPropagationHelper.java:70)
at it.niedermann.nextcloud.deck.remote.helpers.DataPropagationHelper$1$$ExternalSyntheticLambda0.run(D8$$SyntheticClass:0)
at it.niedermann.nextcloud.deck.util.ExecutorServiceProvider$RetryableRunnable.run(ExecutorServiceProvider.java:66)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:520)
at java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1154)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:652)
at java.lang.Thread.run(Thread.java:1563)
Caused by: com.nextcloud.android.sso.exceptions.NextcloudHttpRequestFailedException: HTTP request failed with HTTP status-code: 500
at it.niedermann.nextcloud.deck.remote.api.RequestHelper$ResponseConsumer.onResponse(RequestHelper.java:86)
at com.nextcloud.android.sso.helper.Retrofit2Helper$1.lambda$enqueue$0(Retrofit2Helper.java:71)
at com.nextcloud.android.sso.helper.Retrofit2Helper$1.$r8$lambda$lvTGXWzn448UkBzanOoTybLr_2w(Unknown Source:0)
at com.nextcloud.android.sso.helper.Retrofit2Helper$1$$ExternalSyntheticLambda0.run(D8$$SyntheticClass:0)
... 1 more
Caused by: java.lang.RuntimeException: HTTP StatusCode wasn't 2xx:
Got [HTTP 500] for Call [GET http://example.com/index.php/apps/deck/api/v1.0/boards/12/stacks/65/cards/370/attachments] with Message:
[java.lang.IllegalStateException: {"status":500,"message":"Internal server error: Please contact the server administrator if this error reappears multiple times, please include the request ID "i9oJKh6h9mgkJecW9IQc" below in your report.","requestId":"i9oJKh6h9mgkJecW9IQc"}
]
at it.niedermann.nextcloud.deck.remote.api.RequestHelper$ResponseConsumer.buildCause(RequestHelper.java:103)
... 5 more