diff --git a/subsonic-api/src/integrationTest/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicApiErrorsTest.kt b/subsonic-api/src/integrationTest/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicApiErrorsTest.kt
index 34234a73..f91e4557 100644
--- a/subsonic-api/src/integrationTest/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicApiErrorsTest.kt
+++ b/subsonic-api/src/integrationTest/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicApiErrorsTest.kt
@@ -5,6 +5,13 @@ import org.amshove.kluent.`should not be`
 import org.amshove.kluent.`should throw`
 import org.junit.Test
 import org.moire.ultrasonic.api.subsonic.SubsonicError.Generic
+import org.moire.ultrasonic.api.subsonic.SubsonicError.IncompatibleClientProtocolVersion
+import org.moire.ultrasonic.api.subsonic.SubsonicError.IncompatibleServerProtocolVersion
+import org.moire.ultrasonic.api.subsonic.SubsonicError.RequestedDataWasNotFound
+import org.moire.ultrasonic.api.subsonic.SubsonicError.RequiredParamMissing
+import org.moire.ultrasonic.api.subsonic.SubsonicError.TokenAuthNotSupportedForLDAP
+import org.moire.ultrasonic.api.subsonic.SubsonicError.TrialPeriodIsOver
+import org.moire.ultrasonic.api.subsonic.SubsonicError.UserNotAuthorizedForOperation
 import org.moire.ultrasonic.api.subsonic.SubsonicError.WrongUsernameOrPassword
 import org.moire.ultrasonic.api.subsonic.response.SubsonicResponse
 import retrofit2.Response
@@ -43,6 +50,69 @@ class SubsonicApiErrorsTest : SubsonicAPIClientTest() {
         fail `should throw` IOException::class
     }
 
+    @Test
+    fun `Should parse required param missing error`() {
+        mockWebServerRule.enqueueResponse("required_param_missing_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(RequiredParamMissing)
+    }
+
+    @Test
+    fun `Should parse incompatible client protocol version error`() {
+        mockWebServerRule.enqueueResponse("incompatible_client_protocol_version_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(IncompatibleClientProtocolVersion)
+    }
+
+    @Test
+    fun `Should parse incompatible server protocol version error`() {
+        mockWebServerRule.enqueueResponse("incompatible_server_protocol_version_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(IncompatibleServerProtocolVersion)
+    }
+
+    @Test
+    fun `Should parse token auth not supported for ldap error`() {
+        mockWebServerRule.enqueueResponse("token_auth_not_supported_for_ldap_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(TokenAuthNotSupportedForLDAP)
+    }
+
+    @Test
+    fun `Should parse user not authorized for operation error`() {
+        mockWebServerRule.enqueueResponse("user_not_authorized_for_operation_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(UserNotAuthorizedForOperation)
+    }
+
+    @Test
+    fun `Should parse trial period is over error`() {
+        mockWebServerRule.enqueueResponse("trial_period_is_over_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(TrialPeriodIsOver)
+    }
+
+    @Test
+    fun `Should parse requested data was not found error`() {
+        mockWebServerRule.enqueueResponse("requested_data_was_not_found_error.json")
+
+        val response = client.api.ping().execute()
+
+        response.assertError(RequestedDataWasNotFound)
+    }
+
     private fun Response<SubsonicResponse>.assertError(expectedError: SubsonicError) =
             with(body()) {
                 error `should not be` null
diff --git a/subsonic-api/src/integrationTest/resources/incompatible_client_protocol_version_error.json b/subsonic-api/src/integrationTest/resources/incompatible_client_protocol_version_error.json
new file mode 100644
index 00000000..4cf99209
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/incompatible_client_protocol_version_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 20,
+      "message": "Client protocol version 1.17.0 is not supported."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/incompatible_server_protocol_version_error.json b/subsonic-api/src/integrationTest/resources/incompatible_server_protocol_version_error.json
new file mode 100644
index 00000000..bebc9120
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/incompatible_server_protocol_version_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 30,
+      "message": "Server doesn't support 1.10.0 protocol version."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/requested_data_was_not_found_error.json b/subsonic-api/src/integrationTest/resources/requested_data_was_not_found_error.json
new file mode 100644
index 00000000..c55cc1f6
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/requested_data_was_not_found_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 70,
+      "message": "Requested data was not found."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/required_param_missing_error.json b/subsonic-api/src/integrationTest/resources/required_param_missing_error.json
new file mode 100644
index 00000000..aa007e48
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/required_param_missing_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 10,
+      "message": "Param musicFolderId is missing."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/token_auth_not_supported_for_ldap_error.json b/subsonic-api/src/integrationTest/resources/token_auth_not_supported_for_ldap_error.json
new file mode 100644
index 00000000..4f5ff447
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/token_auth_not_supported_for_ldap_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 41,
+      "message": "Token auth is not supported for ldap users."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/trial_period_is_over_error.json b/subsonic-api/src/integrationTest/resources/trial_period_is_over_error.json
new file mode 100644
index 00000000..2196e7ff
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/trial_period_is_over_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 60,
+      "message": "Trial period is over."
+    }
+  }
+}
diff --git a/subsonic-api/src/integrationTest/resources/user_not_authorized_for_operation_error.json b/subsonic-api/src/integrationTest/resources/user_not_authorized_for_operation_error.json
new file mode 100644
index 00000000..ad679b03
--- /dev/null
+++ b/subsonic-api/src/integrationTest/resources/user_not_authorized_for_operation_error.json
@@ -0,0 +1,10 @@
+{
+  "subsonic-response": {
+    "status": "failed",
+    "version": "1.15.0",
+    "error": {
+      "code": 50,
+      "message": "User is not authorized for this operation."
+    }
+  }
+}