Error: Cannot Start Omnis. Directory must be present. It could not be created.

When attempting to open CDM+ on macOS you receive this message:

CDM+

Could start Omnis.

Directory '/Users/[user name]/Library/Application Support/Suran/[porgram name]/omnispdf/temp' must be present.

It could not be created.

Solution

Quit CDM+
Open the terminal and run this command:
CODE
```
sudo chown -R $(whoami) ~/Library
```
Enter your macOS user password when prompted and press the return key
Restart CDM+

Explanation

This error is caused by incorrect permissions within the user's Library folder on macOS. The above command resets the Library folder to be owned by the user.