###

### Steps to reproduce

Error 1

1. Login and go to time tracking module

2. Tap on + Log time

3. Fill in hours and work package and tap on Activity field

4. On the web app, disable one of the activities

5. On the mobile app, select the disabled activity to trigger the error Begin of the insertionand log timeEnd of the insertion


Error 2

1. Login and open a notification, i.e. open a work package with some unread activities or messages

2. Disable your wifi

3. Tap on Mark as read


###

### What is the buggy behavior?

* Incorrect wording in both cases:


1. Time logging


<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/921098/content">

2\. Notifications

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/921099/content">

### What is the expected behavior?

1. The correct message should be: Error while logging time

2. Error while marking as read


###

### Environment information

**OpenProject version**

0.3.1 (1077)