diff --git a/src/main/kotlin/com/rak/model/ErrorResponse.kt b/src/main/kotlin/com/rak/model/ErrorResponse.kt
new file mode 100644
index 0000000..ab66a03
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/ErrorResponse.kt
@@ -0,0 +1,5 @@
+package com.rak.model
+
+data class ErrorResponse(
+    val message: String
+)
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/model/exception/mapper/NotImplementedExceptionMapper.kt b/src/main/kotlin/com/rak/model/exception/mapper/NotImplementedExceptionMapper.kt
new file mode 100644
index 0000000..5b88952
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/exception/mapper/NotImplementedExceptionMapper.kt
@@ -0,0 +1,18 @@
+package com.rak.model.exception.mapper
+
+import com.rak.model.ErrorResponse
+import com.rak.model.exception.NotImplementedException
+import jakarta.ws.rs.core.Response
+import jakarta.ws.rs.ext.ExceptionMapper
+import jakarta.ws.rs.ext.Provider
+
+@Provider
+class NotImplementedExceptionMapper : ExceptionMapper<NotImplementedException> {
+    override fun toResponse(exception: NotImplementedException): Response {
+        return Response.status(405).entity(
+            ErrorResponse(
+                exception.message ?: "Provider does not implement this method"
+            )
+        ).build()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/model/exception/mapper/TargetNotFoundExceptionMapper.kt b/src/main/kotlin/com/rak/model/exception/mapper/TargetNotFoundExceptionMapper.kt
new file mode 100644
index 0000000..e331c32
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/exception/mapper/TargetNotFoundExceptionMapper.kt
@@ -0,0 +1,19 @@
+package com.rak.model.exception.mapper
+
+import com.rak.model.ErrorResponse
+import com.rak.model.exception.NotImplementedException
+import com.rak.model.exception.TargetNotFoundException
+import jakarta.ws.rs.core.Response
+import jakarta.ws.rs.ext.ExceptionMapper
+import jakarta.ws.rs.ext.Provider
+
+@Provider
+class TargetNotFoundExceptionMapper : ExceptionMapper<TargetNotFoundException> {
+    override fun toResponse(exception: TargetNotFoundException): Response {
+        return Response.status(404).entity(
+            ErrorResponse(
+                exception.message ?: "Scrape target could not be found"
+            )
+        ).build()
+    }
+}
\ No newline at end of file