I set a Matrix fieldtype to SafeCracker File and I was met with the following PHP errors:
A PHP Error was encountered
Severity: Notice
Message: Undefined index: safecracker_upload_dir
Filename: safecracker_file/ft.safecracker_file.php
Line Number: 351
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at [server-path-redacted]/codeigniter/system/core/Exceptions.php:170)
Filename: libraries/Functions.php
Line Number: 765
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at [server-path-redacted]/codeigniter/system/core/Exceptions.php:170)
Filename: libraries/Functions.php
Line Number: 391
EE 2.1.5 Beta.
Any ideas?