Delete corrupted schemas from trail accout

Hello,

I had deployed 2 test application on HCP ( in Neo Trial account), that created 2 schemas. Later, I had deleted these applications, but I can't delete these 2 schemas. When I trying to delete the schemas I get an error similar to this one https://answers.sap.com/questions/238920/delete-corrupted-schema-form-trail-accout.html

Please, help me to delete the schemas.

User info:
Account name: p1942998308trial

Name: Andrey Chapkin (P1942998308)
ID: P1942998308

E-mail: chapkinandrey@mail.ru

Thanks, Andrey