Problems deleting alarms - OM7 build 7021

Hi,

Trying to delete some alarms and get the following

. What is wrong please ?

Failed to perform the operations for the following objects.

Failure Object Reasons
1 IF_DISCARD_3290 false
2 IF_ERROR_3290 false
3 IF_DISCARD_3331 false
4 IF_UTIL_3291 false
5 IF_UTIL_3289 false

But, the operation is successfully completed for the following objects.

Failure Object
1 chpfs02.cofunds.co.uk_AuthenticationFailure_trap
2 chpsms01.cofunds.co.uk_AuthenticationFailure_trap
3 chpsun01.cofunds.co.uk_AuthenticationFailure_trap
4 chprpt02.cofunds.co.uk_AuthenticationFailure_trap
5 chptsv02.cofunds.co.uk_AuthenticationFailure_trap
6 172.26.2.16_AuthenticationFailure_trap
7 chpsql03.cofunds.co.uk_AuthenticationFailure_trap
8 44878_AD_AML
9 44878_tempdb
10 44878_distribution
11 CHDSW02.cofunds.co.uk_Poll
12 lnpdsw01.cofunds.co.uk_Poll
13 lnpdsw02.cofunds.co.uk_Poll