Steps for setting permissions :

Step 1 :

1) Right click on Finder icon and  select "Go-To" Folder option.
2) You will get a text box, type-in below command and then hit 'Return' key.( Do not miss ~ symbol)

~/library

It will open User Library.

3)Then navigate to Application Support>Adobe

.

Right click on Adobe folder and select "GetInfo" option.

Expand the Sharing & Permissions section.

Click the lock icon in the lower-right corner. Enter your administrator user name and password when prompted, and then click OK.

Please click on '+' symbol , it will open list of user accounts. Add Currently logged in user name and Administrator option,

Then provide "Read & Write" permission to Currently logged in user name and Administrator option,.

Click the Gear icon, and select Apply to Enclosed Item. Close the Get Info dialog box.

Step 2:

1) Right click on Finder icon and  select "Go-To" Folder option.
2) You will get a text box, type-in below command and then hit 'Return' key.

/library

It will open System Library.

3)Then navigate to Application Support>Adobe

.

Right click on Adobe folder and select "GetInfo" option.

Expand the Sharing & Permissions section.

Click the lock icon in the lower-right corner. Enter your administrator user name and password when prompted, and then click OK.

Please click on '+' symbol , it will open list of user accounts. Add Currently logged in user name and Administrator option,

Then provide "Read & Write" permission to Currently logged in user name and Administrator option,.

Click the Gear icon, and select Apply to Enclosed Item. Close the Get Info dialog box.

Step 3)

1) Right click on Finder icon and  select "Go-To" Folder option.
2) You will get a text box, type-in below command and then hit 'Return' key.( Do not miss ~ symbol)

~/library

Under User Library folder locate folder named Preferences .

Right click on Preferences folder and select "GetInfo" option.

Expand the Sharing & Permissions section.

Click the lock icon in the lower-right corner. Enter your administrator user name and password when prompted, and then click OK.

Please click on '+' symbol , it will open list of user accounts. Add Currently logged in user name and Administrator option,

Then provide "Read & Write" permission to Currently logged in user name and Administrator option,.

Click the Gear icon, and select Apply to Enclosed Item. Close the Get Info dialog box.

After completing 3 steps , try to launch Premiere Pro and check.