Error upon creation of "media-content" or "network-traffic" type observable

[diasporado]

Description

Once a "media-content" or "network traffic" type observable is created, clicking on it will trigger an unknown error.

Reproducible Steps

Steps to create the smallest reproducible scenario:

1. Create a "media-content" or "network-traffic" observable:
   

2. Click into the created observable:
   

3. Exporting the observable in json format also triggers an error (issue with datetime suspected):
   

[Archidoit]

Hello! I've been able to reproduce the bug for network-traffic but not for media-content... Can you precise the fields you filled in the media-content creation form?

[diasporado]

Hello! I've been able to reproduce the bug for network-traffic but not for media-content... Can you precise the fields you filled in the media-content creation form?

Please see screenshot below:

corresponding error "GraphQLError: DateTime cannot be serialized from a non string, non numeric or non Date type {}"

[Kedae]

Could have been fixed by ef3be1f

To check

[SamuelHassine]

Yes, I think so.

[SamuelHassine]

To check on network-traffic! I did not make the modification.

[Archidoit]

yes the bug is fixed for media-content, I'm going to fix it for network-traffic