Bug#1149040: Fatal PHP error on a page with export LDAP records to Excel

[Serhii Horichenko]

Package: gosa-plugins-ldapmanager
Version: 2.8~git20240614.c540e17-1
Severity: important

Fatal PHP error when trying to export LDAP records to an Excel file:

<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined method
writeexcel_workbook::writeexcel_biffwriter() in
/usr/share/gosa/include/utils/excel/class.writeexcel_workbook.inc.php:62
Stack trace:
#0 /usr/share/gosa/html/plugins/ldapmanager/getxls.php(50):
writeexcel_workbook->__construct()
#1 /usr/share/gosa/html/plugins/ldapmanager/getxls.php(493): dump_ldap()
#2 {main}
  thrown in
<b>/usr/share/gosa/include/utils/excel/class.writeexcel_workbook.inc.php</b>
on line <b>62</b><br />

Environment:
- Server Debian Edu 13.7 server with only role "Main-server"
- Workstation installed with PXE from the server above

How to reproduce:
- GUI logon on Workstation
- Firefox with default page `https://www/index.html.en`
<https://www/index.html.en>
- Log in to GOsa² https://www/gosa/ with administrative credentials
- go to LDAP tools -> Excel Export
- press any Export button on the right side
- click the generated link

Result:
- you got the described above Fatal error

Expected:
- you can save the generated file




Sincerely,
Serhii Horichenko
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