Mobile development: prompt ‘Task failed with exit 1 signal 0 {…’ error

Task failed with exit 1 signal 0 {… ‘
This is a problem caused by the failure of key string verification. Follow the following steps to deal with it
1. Close Xcode
2, open the ‘key string access’ program
3. Drag your developer credentials from the Login page to the Systems page.
4. After dragging, the key string and key will be prompted. The selection is always allowed
5. Recompile the APP, and the problem will be solved
 
https://stackoverflow.com/questions/41205250/swift-sdtlib-tool-error-task-failed-with-exit-code-1

Read More: