added gatsby-plugin-manager which fixed the errors

app/package-lock.json

@@ -10310,20 +10310,87 @@
       }
     },
     "gatsby-plugin-manifest": {
-      "version": "2.2.21",
+      "version": "2.4.37",
-      "resolved": "https://registry.npmjs.org/gatsby-plugin-manifest/-/gatsby-plugin-manifest-2.2.21.tgz",
+      "resolved": "https://registry.npmjs.org/gatsby-plugin-manifest/-/gatsby-plugin-manifest-2.4.37.tgz",
-      "integrity": "sha512-1q54c4AVA3IWF/oo9RbyWwiAjl5Q0t0wAEDncnNQ44amrOno1I5TDcX7uuQH5iMMIfSm6iv1fia9KcWw1/rv5g==",
+      "integrity": "sha512-Gub8QanC6lwkF5PLDUhZm6AGYSjjriVFWIF97d9TS9c5ofS/wlwHdnc7i3VozyWwIDjfKSaUyOZyHKVyB9vVMA==",
       "requires": {
-        "@babel/runtime": "^7.6.3",
+        "@babel/runtime": "^7.11.2",
-        "gatsby-core-utils": "^1.0.13",
+        "gatsby-core-utils": "^1.3.23",
-        "semver": "^5.7.1",
+        "gatsby-plugin-utils": "^0.2.40",
-        "sharp": "^0.23.1"
+        "semver": "^7.3.2",
+        "sharp": "^0.25.4"
       },
       "dependencies": {
+        "@babel/runtime": {
+          "version": "7.12.1",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.1.tgz",
+          "integrity": "sha512-J5AIf3vPj3UwXaAzb5j1xM4WAQDX3EMgemF8rjCP3SoW09LfRKAXQKt6CoVYl230P6iWdRcBbnLDDdnqWxZSCA==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        },
+        "decompress-response": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
+          "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
+          "requires": {
+            "mimic-response": "^3.1.0"
+          }
+        },
+        "gatsby-core-utils": {
+          "version": "1.3.23",
+          "resolved": "https://registry.npmjs.org/gatsby-core-utils/-/gatsby-core-utils-1.3.23.tgz",
+          "integrity": "sha512-H6n6dDeRZ22HAJaBUIt5YjB/BSaE8Jq+kayMUv/YzL1RL2yFZ5lqcLwIL1OE2vWk1mQjMUBZCRxLODU0q1i3bQ==",
+          "requires": {
+            "ci-info": "2.0.0",
+            "configstore": "^5.0.1",
+            "fs-extra": "^8.1.0",
+            "node-object-hash": "^2.0.0",
+            "proper-lockfile": "^4.1.1",
+            "tmp": "^0.2.1",
+            "xdg-basedir": "^4.0.0"
+          }
+        },
+        "mimic-response": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
+          "integrity": "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ=="
+        },
+        "regenerator-runtime": {
+          "version": "0.13.7",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz",
+          "integrity": "sha512-a54FxoJDIr27pgf7IgeQGxmqUNYrcV338lf/6gH456HZ/PhX+5BcwHXG9ajESmwe6WRO0tAzRUrRmNONWgkrew=="
+        },
         "semver": {
-          "version": "5.7.1",
+          "version": "7.3.2",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
-          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+          "integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ=="
+        },
+        "sharp": {
+          "version": "0.25.4",
+          "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.25.4.tgz",
+          "integrity": "sha512-umSzJJ1oBwIOfwFFt/fJ7JgCva9FvrEU2cbbm7u/3hSDZhXvkME8WE5qpaJqLIe2Har5msF5UG4CzYlEg5o3BQ==",
+          "requires": {
+            "color": "^3.1.2",
+            "detect-libc": "^1.0.3",
+            "node-addon-api": "^3.0.0",
+            "npmlog": "^4.1.2",
+            "prebuild-install": "^5.3.4",
+            "semver": "^7.3.2",
+            "simple-get": "^4.0.0",
+            "tar": "^6.0.2",
+            "tunnel-agent": "^0.6.0"
+          }
+        },
+        "simple-get": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.0.tgz",
+          "integrity": "sha512-ZalZGexYr3TA0SwySsr5HlgOOinS4Jsa8YB2GJ6lUNAazyAu4KG/VmzMTwAt2YVXzzVj8QmefmAonZIK2BSGcQ==",
+          "requires": {
+            "decompress-response": "^6.0.0",
+            "once": "^1.3.1",
+            "simple-concat": "^1.0.0"
+          }
         }
       }
     },

app/package.json

@@ -9,7 +9,7 @@
     "gatsby": "^2.24.91",
     "gatsby-image": "^2.2.27",
     "gatsby-plugin-google-analytics": "^2.3.14",
-    "gatsby-plugin-manifest": "^2.2.21",
+    "gatsby-plugin-manifest": "^2.4.37",
     "gatsby-plugin-offline": "^3.0.14",
     "gatsby-plugin-postcss": "^2.1.11",
     "gatsby-plugin-react-helmet": "^3.1.11",