[Bug] add TTP error message on the hive - 4.1.4-1

[pares79]

Request Type

Bug

Work Environment

| Question | Answer |
| -------------------------- | ------------------------------------- |
| OS version (server) | RedHat, 7 |
| OS version (client) | window 10 |
| Virtualized Env. | True |
| Dedicated RAM | 4 GB |
| vCPU | 4 |
| TheHive version / git hash | 4.1.4 |
| Package Type | RPM |
| Database | Cassandra |
| Index type | Elasticsearch |
| Attachments storage | Local |
| Browser type & version | Chrome |

Problem Description

After creating a case and any related task, by trying to add the TTP got error message
'Add TTP: [Invalid format for patternId: FNull, expected string(string)]'

Steps to Reproduce

1. step 1 > create case
2. step 2 > add task
3. step 3 > add TTP

Please see attachment

[nadouani]

Hello @pares79 you didn't select any technique/sub technique here.