Signal user if the networks are not supported

protocol/communities/check_permissions_response.go

@@ -12,6 +12,7 @@ type CheckPermissionsResponse struct {
 	Satisfied            bool                                      `json:"satisfied"`
 	Permissions          map[string]*PermissionTokenCriteriaResult `json:"permissions"`
 	ValidCombinations    []*AccountChainIDsCombination             `json:"validCombinations"`
+	NetworksNotSupported bool                                      `json:"networksNotSupported"`
 }
 
 type CheckPermissionToJoinResponse = CheckPermissionsResponse
@@ -98,12 +99,14 @@ func (c *CheckPermissionsResponse) MarshalJSON() ([]byte, error) {
 		ValidCombinations    []*AccountChainIDsCombination             `json:"validCombinations"`
 		Roles                []*HighestRoleResponse                    `json:"roles"`
 		HighestRole          *HighestRoleResponse                      `json:"highestRole"`
+		NetworksNotSupported bool                                      `json:"networksNotSupported"`
 	}
 	c.calculateSatisfied()
 	item := &CheckPermissionsTypeAlias{
 		Satisfied:            c.Satisfied,
 		Permissions:          c.Permissions,
 		ValidCombinations:    c.ValidCombinations,
+		NetworksNotSupported: c.NetworksNotSupported,
 	}
 	rolesAndHighestRole := calculateRolesAndHighestRole(c.Permissions)
 

protocol/communities/permission_checker.go

@@ -236,6 +236,7 @@ func (p *DefaultPermissionChecker) CheckPermissions(permissions []*CommunityToke
 	// if there are no chain IDs that match token criteria chain IDs
 	// we aren't able to check balances on selected networks
 	if len(erc20ChainIDsMap) > 0 && len(chainIDsForERC20) == 0 {
+		response.NetworksNotSupported = true
 		return response, nil
 	}