diff --git a/src/api/cat/index.js b/src/api/cat/index.js
index 322c610..e061456 100644
--- a/src/api/cat/index.js
+++ b/src/api/cat/index.js
@@ -5,8 +5,8 @@ const cat = async () => {
     .then((res) => {
       return res.data.file;
     })
-    .catch((err) => {
-      console.log(err);
+    .catch((e) => {
+      console.log(e);
     });
 };
 
diff --git a/src/api/fox/index.js b/src/api/fox/index.js
index 34d9836..0ab7e29 100644
--- a/src/api/fox/index.js
+++ b/src/api/fox/index.js
@@ -5,8 +5,8 @@ const fox = async () => {
     .then((res) => {
       return res.data.image;
     })
-    .catch((err) => {
-      console.log(err);
+    .catch((e) => {
+      console.log(e);
     });
 };
 
diff --git a/src/handlers/InteractionHandler.js b/src/handlers/InteractionHandler.js
index 8d295d1..1441006 100644
--- a/src/handlers/InteractionHandler.js
+++ b/src/handlers/InteractionHandler.js
@@ -21,8 +21,8 @@ const InteractionHandler = class {
         });
       }
       return this;
-    } catch(err) {
-      throw err;
+    } catch(e) {
+      throw e;
     }
   }
 
@@ -41,8 +41,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} all commands are registered at the dev guild`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 
@@ -53,8 +53,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} all commands are unregistered at the dev guild`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 
@@ -63,8 +63,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} command '${commandId}' has been unregistered at the dev guild`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 
@@ -75,8 +75,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} all commands are registered globally`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 
@@ -87,8 +87,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} all commands are unregistered globally`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 
@@ -97,8 +97,8 @@ const InteractionHandler = class {
       .then(() => {
         console.log(`${chalk.green('Done:')} command '${commandId}' has been unregistered globally`);
       })
-      .catch((err) => {
-        console.log(`${chalk.red('Error:')} ${err}`);
+      .catch((e) => {
+        console.log(`${chalk.red('Error:')} ${e}`);
       });
   }
 };
diff --git a/src/handlers/PresenceHandler.js b/src/handlers/PresenceHandler.js
index 5225320..1364a58 100644
--- a/src/handlers/PresenceHandler.js
+++ b/src/handlers/PresenceHandler.js
@@ -30,8 +30,8 @@ const PresenceHandler = class {
       await client.user.setPresence(presencePayload);
 
       return { status: this.status, content: this.content, type: type };
-    } catch (err) {
-      throw err;
+    } catch (e) {
+      throw e;
     }
   }
 };
diff --git a/src/~Luna.js b/src/~Luna.js
index f268ec0..46a1975 100644
--- a/src/~Luna.js
+++ b/src/~Luna.js
@@ -20,9 +20,9 @@ const LunaInteractionHandler = await new InteractionHandler().init(TOKEN)
     console.log(`${chalk.green('Done:')} InteractionHandler initialized successfully`)
     return handler;
   })
-  .catch((err) => {
+  .catch((e) => {
     console.log(`${chalk.red('Error:')} can not initialize InteractionHandler`)
-    throw err;
+    throw e;
   });
 const LunaAPIService = await new APIService().init();
 
@@ -99,9 +99,9 @@ Luna.on(Discord.Events.ClientReady, async () => {
     .then((res) => {
       console.log(`${chalk.green('Done:')} PresenceHandler initialized successfully | status: ${res.status} | type: ${res.type} | content: ${res.content}`);
     })
-    .catch((err) => {
+    .catch((e) => {
       console.log(`${chalk.red('Error:')} can not initialize PresenceHandler`);
-      throw err;
+      throw e;
     });
   await LunaInteractionHandler.registerCommandsDev(CLIENT_ID, DEV_GUILD_ID);
 });