[turba] Turba 2.0.4 undefined index

[John Jacob]

After fixing the misspelling $GLOBASL on line 491 (this apparently was never 
tested) I get:

===================================================================
Notice: Undefined index: imsp in C:\httproot\horde\turba\config\sources.php 
on line 490

Notice: Undefined index: imsp in C:\httproot\horde\turba\config\sources.php 
on line 491

Notice: Undefined index: imsp in C:\httproot\horde\turba\config\sources.php 
on line 492

Fatal error: Class 'IMSP_Auth' not found in 
C:\httproot\horde\lib\Net\IMSP\Auth.php on line 105
===================================================================

I'm using PHP5.  Is this a PHP5 issue?