6-star signature stones disappeared after new incursion cycle

I had completed sector-8 zone-10 in incursions with my alliance mate yesterday. All the milestone rewards were achieved on completion of zone-10, however 6-star signature stones rewards in special solo objective for incursions were missing or disappeared.

Does anyone face this issue similar to mine? If yes than I need appropriate solution for this issue.

Comments

Eb0ny-O-M4w

It's intentional. It was meant to only last a month, and not be available every month

Krunal5194

@will-o-wisp could you please tell me that where it is mentioned in the forum about six star signature stones will last for only one month?

Anonymous1415

Solo Objective

This 30-Day objective will challenge only the mightiest Summoners in the deepest parts of Sector 8. This is a one-time-only set of Objectives, at this time.

Rewards:
Zone 10: 5 x 6 Star Signature Stone Crystal
Zone 15: 10 x 6 Star Signature Stone Crystal
Zone 20: 15 x 6 Star Signature Stone Crystal

It's mentioned in their announcement here.
https://forums.playcontestofchampions.com/en/discussion/253441/incursions-update-march-2021

Krunal5194

@Anonymous1415 thanks for the information. I got my answers!!