Global users cannot recover their password from a subwiki due to macro errors

STEPS TO REPRODUCE

Preconditions: Email server is configured on the subwiki. A global user with a valid address set on his profile is already created on the Main Wiki.

1. Create a subwiki with option 'Both global and local users are available in the wiki'
2. In a private/incognito window, access the subwiki and click on 'Log-in'
3. On the Log-in page, click on 'Forgot your password?'
4. Fill the username of the global user
5. Click 'Reset password'
6. Go to the mail received and click on the reset link

EXPECTED RESULTS

The user is redirected to the 'Reset your password page' and the password can be changed.

ACTUAL RESULTS

On the 'Reset your password page' there are some macro errors which prevent the change of the password. The following errors are encountered in console:

2018-11-23 18:31:46,456 [http://localhost:1010/xwiki/wiki/subwikiglobal/view/XWiki/ResetPasswordComplete?u=U1&v=Coq2QvqRZOPFbbEgGvlsyMmdPhZ0f1] ERROR o.x.v.i.DefaultVelocityEngine  - Exception in macro #encrypt called at 491:subwikiglobal:XWiki.ResetPasswordComplete[line 52, column 1]
2018-11-23 18:31:46,456 [http://localhost:1010/xwiki/wiki/subwikiglobal/view/XWiki/ResetPasswordComplete?u=U1&v=Coq2QvqRZOPFbbEgGvlsyMmdPhZ0f1] ERROR o.x.v.i.DefaultVelocityEngine  - Exception in macro #verifyRequest called at 491:subwikiglobal:XWiki.ResetPasswordComplete[line 99, column 1]