diff --git a/doomsday/libdeng2/src/core/config.cpp b/doomsday/libdeng2/src/core/config.cpp
index bc1e4f1422..a6e0b20d4e 100644
--- a/doomsday/libdeng2/src/core/config.cpp
+++ b/doomsday/libdeng2/src/core/config.cpp
@@ -112,7 +112,7 @@ void Config::read()
         // If script is newer, it should be rerun.
         if(scriptFile.status().modifiedAt > d->refuge.lastWrittenAt())
         {
-            LOG_MSG("%s is newer than %s, rerunning the script.")
+            LOG_MSG("%s is newer than %s, rerunning the script")
                     << d->configPath << d->refuge.path();
             shouldRunScript = true;
         }
@@ -122,6 +122,11 @@ void Config::read()
         // It is missing from persist.pack if the config hasn't been written yet.
         shouldRunScript = true;
     }
+    catch(IByteArray::OffsetError const &)
+    {
+        // Empty or missing serialization?
+        shouldRunScript = true;
+    }
     catch(Error const &error)
     {
         LOG_WARNING(error.what());
diff --git a/doomsday/libdeng2/src/data/block.cpp b/doomsday/libdeng2/src/data/block.cpp
index 8bfe8145b5..39c667b423 100644
--- a/doomsday/libdeng2/src/data/block.cpp
+++ b/doomsday/libdeng2/src/data/block.cpp
@@ -75,7 +75,8 @@ void Block::get(Offset atPos, Byte *values, Size count) const
     if(atPos + count > size())
     {
         /// @throw OffsetError The accessed region of the block was out of range.
-        throw OffsetError("Block::get", "Out of range");
+        throw OffsetError("Block::get", "Out of range " +
+                          String("(%1[+%2] > %3)").arg(atPos).arg(count).arg(size()));
     }
 
     for(Offset i = atPos; count > 0; ++i, --count)
diff --git a/doomsday/libdeng2/src/filesys/nativefile.cpp b/doomsday/libdeng2/src/filesys/nativefile.cpp
index de5baa25a6..7567cbdadd 100644
--- a/doomsday/libdeng2/src/filesys/nativefile.cpp
+++ b/doomsday/libdeng2/src/filesys/nativefile.cpp
@@ -98,7 +98,8 @@ void NativeFile::get(Offset at, Byte *values, Size count) const
     {
         /// @throw IByteArray::OffsetError  The region specified for reading extends
         /// beyond the bounds of the file.
-        throw OffsetError("NativeFile::get", "Cannot read past end of file");
+        throw OffsetError("NativeFile::get", description() + ": cannot read past end of file " +
+                          String("(%1[+%2] > %3)").arg(at).arg(count).arg(size()));
     }
     in.seek(at);
     in.read(reinterpret_cast<char *>(values), count);