Hi,
on ImpressCMS 1.3.2 RC2, I get the following when I go to the permissions page:

Warning: array_keys() [function.array-keys]: The first argument should be an array in file /libraries/icms/form/Groupperm.php line 108
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/Groupperm.php line 108
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 81
Warning: array_keys() [function.array-keys]: The first argument should be an array in file /libraries/icms/form/elements/Groupperm.php line 93
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 93
Notice: Undefined variable: option_ids in file /libraries/icms/form/elements/Groupperm.php line 99
Warning: implode() [function.implode]: Invalid arguments passed in file /libraries/icms/form/elements/Groupperm.php line 99
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 81
Warning: array_keys() [function.array-keys]: The first argument should be an array in file /libraries/icms/form/elements/Groupperm.php line 93
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 93
Notice: Undefined variable: option_ids in file /libraries/icms/form/elements/Groupperm.php line 99
Warning: implode() [function.implode]: Invalid arguments passed in file /libraries/icms/form/elements/Groupperm.php line 99
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 81
Warning: array_keys() [function.array-keys]: The first argument should be an array in file /libraries/icms/form/elements/Groupperm.php line 93
Warning: Invalid argument supplied for foreach() in file /libraries/icms/form/elements/Groupperm.php line 93
Notice: Undefined variable: option_ids in file /libraries/icms/form/elements/Groupperm.php line 99
Warning: implode() [function.implode]: Invalid arguments passed in file /libraries/icms/form/elements/Groupperm.php line 99

I see the following for the 'view' permission: