diff --git a/src/Socialbox/Classes/StandardMethods/Verification/VerificationGetImageCaptcha.php b/src/Socialbox/Classes/StandardMethods/Verification/VerificationGetImageCaptcha.php
index 21066e9..a741332 100644
--- a/src/Socialbox/Classes/StandardMethods/Verification/VerificationGetImageCaptcha.php
+++ b/src/Socialbox/Classes/StandardMethods/Verification/VerificationGetImageCaptcha.php
@@ -21,17 +21,24 @@
          */
         public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
         {
-            $session = $request->getSession();
+            try
+            {
+                $session = $request->getSession();
+            }
+            catch (DatabaseOperationException $e)
+            {
+                throw new StandardRpcException('An error occurred while trying to get the session', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+
             // Check for session conditions
             if(!$session->flagExists(SessionFlags::VER_IMAGE_CAPTCHA))
             {
                 return $rpcRequest->produceError(StandardError::METHOD_NOT_ALLOWED, 'Solving an image captcha is not required at this time');
             }
 
-            $peer = $request->getPeer();
-
             try
             {
+                $peer = $request->getPeer();
                 if(CaptchaManager::captchaExists($peer))
                 {
                     $captchaRecord = CaptchaManager::getCaptcha($peer);
diff --git a/src/Socialbox/Classes/StandardMethods/Verification/VerificationOtpAuthentication.php b/src/Socialbox/Classes/StandardMethods/Verification/VerificationOtpAuthentication.php
index 3d5c3c1..064d346 100644
--- a/src/Socialbox/Classes/StandardMethods/Verification/VerificationOtpAuthentication.php
+++ b/src/Socialbox/Classes/StandardMethods/Verification/VerificationOtpAuthentication.php
@@ -8,6 +8,8 @@
     use Socialbox\Enums\Flags\SessionFlags;
     use Socialbox\Enums\StandardError;
     use Socialbox\Exceptions\CryptographyException;
+    use Socialbox\Exceptions\Standard\InvalidRpcArgumentException;
+    use Socialbox\Exceptions\Standard\MissingRpcArgumentException;
     use Socialbox\Exceptions\Standard\StandardRpcException;
     use Socialbox\Interfaces\SerializableInterface;
     use Socialbox\Managers\OneTimePasswordManager;
@@ -25,18 +27,18 @@
         {
             if(!$rpcRequest->containsParameter('code'))
             {
-                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Missing 'code' parameter");
+                throw new MissingRpcArgumentException('code');
             }
 
             if(strlen($rpcRequest->getParameter('code')) !== Configuration::getSecurityConfiguration()->getOtpDigits())
             {
-                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Invalid 'code' parameter length");
+                throw new InvalidRpcArgumentException('code', 'Invalid OTP code length');
             }
 
             $session = $request->getSession();
             if(!$session->flagExists(SessionFlags::VER_OTP))
             {
-                return $rpcRequest->produceError(StandardError::FORBIDDEN, 'One Time Password verification is not required at this time');
+                return $rpcRequest->produceError(StandardError::METHOD_NOT_ALLOWED, 'One Time Password verification is not required at this time');
             }
 
             try
diff --git a/src/Socialbox/Classes/StandardMethods/Verification/VerificationPasswordAuthentication.php b/src/Socialbox/Classes/StandardMethods/Verification/VerificationPasswordAuthentication.php
index f2cc87b..7a8b078 100644
--- a/src/Socialbox/Classes/StandardMethods/Verification/VerificationPasswordAuthentication.php
+++ b/src/Socialbox/Classes/StandardMethods/Verification/VerificationPasswordAuthentication.php
@@ -8,6 +8,8 @@
     use Socialbox\Enums\Flags\SessionFlags;
     use Socialbox\Enums\StandardError;
     use Socialbox\Exceptions\CryptographyException;
+    use Socialbox\Exceptions\Standard\InvalidRpcArgumentException;
+    use Socialbox\Exceptions\Standard\MissingRpcArgumentException;
     use Socialbox\Exceptions\Standard\StandardRpcException;
     use Socialbox\Interfaces\SerializableInterface;
     use Socialbox\Managers\PasswordManager;
@@ -25,22 +27,22 @@
         {
             if(!$rpcRequest->containsParameter('password'))
             {
-                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Missing 'password' parameter");
+                throw new MissingRpcArgumentException('password');
             }
 
             if(!Cryptography::validateSha512($rpcRequest->getParameter('password')))
             {
-                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Invalid 'password' parameter, must be a valid SHA-512 hash");
-            }
-
-            $session = $request->getSession();
-            if(!$session->flagExists(SessionFlags::VER_PASSWORD))
-            {
-                return $rpcRequest->produceError(StandardError::FORBIDDEN, 'Password verification is not required at this time');
+                throw new InvalidRpcArgumentException('password', 'Invalid SHA-512 hash');
             }
 
             try
             {
+                $session = $request->getSession();
+                if(!$session->flagExists(SessionFlags::VER_PASSWORD))
+                {
+                    return $rpcRequest->produceError(StandardError::METHOD_NOT_ALLOWED, 'Password verification is not required at this time');
+                }
+
                 $result = PasswordManager::verifyPassword($request->getPeer()->getUuid(), $rpcRequest->getParameter('password'));
 
                 if($result)