diff --git a/docs/schema/SerializedAppLogicAction.schema.json b/docs/schema/SerializedAppLogicAction.schema.json
index bcf390c..98ca180 100644
--- a/docs/schema/SerializedAppLogicAction.schema.json
+++ b/docs/schema/SerializedAppLogicAction.schema.json
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diff --git a/package-lock.json b/package-lock.json
index 0a44ccf..c64b364 100644
--- a/package-lock.json
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@@ -4505,6 +4571,59 @@
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@@ -5112,6 +5317,15 @@
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@@ -5753,6 +6021,12 @@
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@@ -6280,6 +6554,12 @@
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@@ -7551,6 +7816,12 @@
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+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.3.0.tgz",
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@@ -9131,6 +9408,34 @@
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+      "dev": true,
+      "requires": {
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+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
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+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
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@@ -9261,28 +9566,97 @@
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-        "json-stable-stringify": "1.0.1",
-        "typescript": "4.1.3",
-        "yargs": "16.2.0"
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+        "strip-ansi": {
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
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+          "dev": true,
+          "requires": {
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+          }
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+        "yargs": {
+          "version": "17.3.0",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.3.0.tgz",
+          "integrity": "sha512-GQl1pWyDoGptFPJx9b9L6kmR33TGusZvXIZUT+BOz9f7X2L94oeAskFYLEg/FkhV06zZPBYLvLZRWeYId29lew==",
+          "dev": true,
+          "requires": {
+            "cliui": "^7.0.2",
+            "escalade": "^3.1.1",
+            "get-caller-file": "^2.0.5",
+            "require-directory": "^2.1.1",
+            "string-width": "^4.2.3",
+            "y18n": "^5.0.5",
+            "yargs-parser": "^21.0.0"
+          }
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+        "yargs-parser": {
+          "version": "21.0.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.0.0.tgz",
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           "dev": true
         }
       }
@@ -9638,6 +10012,12 @@
         "cuint": "0.2.2"
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+    "y18n": {
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+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true
+    },
     "yallist": {
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@@ -9705,6 +10085,12 @@
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       "dev": true
     },
+    "yn": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+      "dev": true
+    },
     "zwitch": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-1.0.5.tgz",
diff --git a/package.json b/package.json
index 567e5cd..069429b 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
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     "tslint-config-standard": "^9.0.0",
     "typescript": "^4.1.3",
-    "typescript-json-schema": "^0.46.0"
+    "typescript-json-schema": "^0.52.0"
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   "dependencies": {
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@@ -63,6 +63,7 @@
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     "sequelize": "^6.11.0",
     "socket.io": "^4.0.1",
+    "sqlite3": "^4.0.6",
     "tokgen": "^1.0.0",
     "umzug": "^2.3.0"
   },
diff --git a/src/api/validator.ts b/src/api/validator.ts
index bdf72ae..b254758 100644
--- a/src/api/validator.ts
+++ b/src/api/validator.ts
@@ -1498,16 +1498,7 @@ const definitions = {
                   }
                 ],
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-                "additionalItems": {
-                  "anyOf": [
-                    {
-                      "type": "number"
-                    },
-                    {
-                      "type": "number"
-                    }
-                  ]
-                }
+                "maxItems": 2
               }
             },
             "sdl": {
@@ -1529,22 +1520,7 @@ const definitions = {
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-                "additionalItems": {
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-                    {
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-                    },
-                    {
-                      "type": "number"
-                    }
-                  ]
-                }
+                "maxItems": 4
               }
             }
           },
@@ -1675,16 +1651,7 @@ const definitions = {
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-          "additionalItems": {
-            "anyOf": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "string"
-              }
-            ]
-          }
+          "maxItems": 2
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       },
       "updatedOrAdded": {