not working sandbox api endpoints

[sinanal]

https://api.sandbox.ebay.com/commerce/taxonomy/v1/category_tree/0/get_category_suggestions?q=Barry Bonds rookie card
response = 

"There was a problem with an eBay internal system or process. Contact eBay developer support for assistance."

https://api.sandbox.ebay.com/sell/account/v1/privilege
response = "System error."

https://api.sandbox.ebay.com/sell/account/v1/custom_policy/

response = "System error."

[sinanal]

additional not workinendpoints taxonomy

https://api.sandbox.ebay.com/commerce/taxonomy/v1/category_tree/101/get_compatibility_properties?cat...

response =  "message": "There was a problem with an eBay internal system or process. Contact eBay developer support for assistance."

https://api.sandbox.ebay.com/commerce/taxonomy/v1/category_tree/100/get_compatibility_property_value...

response =  "message": "There was a problem with an eBay internal system or process. Contact eBay developer support for assistance."