[Building Sakai] ERROR In log file about Assignments

[alaanizar at iihem.ac.ma]

Hello,

In my Sakai log file, I'm seeing those errors, can anyone please llok at
them:

2014-10-31 18:53:16,245 ERROR (SimpleLog4JLogSystem.java:151) - <Left side
($!previousGrades.length()) of '>' operation has null value at
/vm/assignment/chef_assignments_student_view_submission.vm[line 794, column 73]>

2014-10-31 18:55:50,455 WARN (HtmlGridRendererBase.java:243) - <PanelGrid gbForm:_idJsp14 has
not enough children. Child count should be a multiple of the columns attribute.>

2014-10-31 18:56:38,229 WARN (HtmlImageRendererBase.java:86) - <ALT attribute is missing for
: _idJsp64>

Sakai: 2.9.0
OS: RHEL5 32 bits

Yours,
Alaa

-- 

Alaa
NIZAR, BA in MIS, LPIC
IIHEM Network Services Manager
+212 665 222 160
www.iihem.ac.ma

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