diff --git a/src/core/plugins/oas3/selectors.js b/src/core/plugins/oas3/selectors.js
index 792b844e..fe1dd39a 100644
--- a/src/core/plugins/oas3/selectors.js
+++ b/src/core/plugins/oas3/selectors.js
@@ -5,16 +5,22 @@ import { stringify } from "../../utils"
 
 // Helpers
 
-function onlyOAS3(selector) {
-  return (...args) => (system) => {
+const onlyOAS3 =
+  (selector) =>
+  (state, ...args) =>
+  (system) => {
     const spec = system.getSystem().specSelectors.specJson()
-    if(isOAS3Helper(spec)) {
-      return selector(...args)
+
+    if (isOAS3Helper(spec)) {
+      const selectedValue = selector(state, ...args)
+      return typeof selectedValue === "function"
+        ? selectedValue(system)
+        : selectedValue
     } else {
       return null
     }
   }
-}
+
 
 function validateRequestBodyIsRequired(selector) {
   return (...args) => (system) => {
@@ -81,37 +87,50 @@ export const selectDefaultRequestBodyValue = (state, path, method) => (system) =
   return null
 }
 
-export const hasUserEditedBody = (state, path, method) => (system) => {
+export const hasUserEditedBody = onlyOAS3((state, path, method) => (system) => {
   const {oas3Selectors, specSelectors} = system.getSystem()
-  const spec = specSelectors.specJson()
-  if(isOAS3Helper(spec)) {
-    let userHasEditedBody = false
-    const currentMediaType = oas3Selectors.requestContentType(path, method)
-    let userEditedRequestBody = oas3Selectors.requestBodyValue(path, method)
-    if (Map.isMap(userEditedRequestBody)) {
-      // context is not application/json media-type
-      userEditedRequestBody = stringify(userEditedRequestBody.mapEntries((kv) => Map.isMap(kv[1]) ? [kv[0], kv[1].get("value")] : kv).toJS())
-    }
-    if(List.isList(userEditedRequestBody)) {
-      userEditedRequestBody = stringify(userEditedRequestBody)
-    }
-    if (currentMediaType) {
-      const currentMediaTypeDefaultBodyValue = getDefaultRequestBodyValue(
-        specSelectors.specResolvedSubtree(["paths", path, method, "requestBody"]),
-        currentMediaType,
-        oas3Selectors.activeExamplesMember(
-          path, method,
-          "requestBody",
-          "requestBody",
-        )
-      )
-      userHasEditedBody = !!userEditedRequestBody && userEditedRequestBody !== currentMediaTypeDefaultBodyValue
-    }
-    return userHasEditedBody
-  } else {
-    return null
+
+  let userHasEditedBody = false
+  const currentMediaType = oas3Selectors.requestContentType(path, method)
+  let userEditedRequestBody = oas3Selectors.requestBodyValue(path, method)
+  const requestBody = specSelectors.specResolvedSubtree([
+    "paths",
+    path,
+    method,
+    "requestBody",
+  ])
+
+  /**
+   * The only request body that can currently be edited is for Path Items that are direct values of OpenAPI.paths.
+   * Path Item contained within the Callback Object or OpenAPI.webhooks (OpenAPI 3.1.0) have `Try it out`
+   * disabled and thus body cannot be edited.
+   */
+  if (!requestBody) {
+    return false
   }
-}
+
+  if (Map.isMap(userEditedRequestBody)) {
+    // context is not application/json media-type
+    userEditedRequestBody = stringify(userEditedRequestBody.mapEntries((kv) => Map.isMap(kv[1]) ? [kv[0], kv[1].get("value")] : kv).toJS())
+  }
+  if(List.isList(userEditedRequestBody)) {
+    userEditedRequestBody = stringify(userEditedRequestBody)
+  }
+  if (currentMediaType) {
+    const currentMediaTypeDefaultBodyValue = getDefaultRequestBodyValue(
+      requestBody,
+      currentMediaType,
+      oas3Selectors.activeExamplesMember(
+        path, method,
+        "requestBody",
+        "requestBody",
+      )
+    )
+    userHasEditedBody = !!userEditedRequestBody && userEditedRequestBody !== currentMediaTypeDefaultBodyValue
+  }
+  return userHasEditedBody
+
+})
 
 export const requestBodyInclusionSetting = onlyOAS3((state, path, method) => {
     return state.getIn(["requestData", path, method, "bodyInclusion"]) || Map()