This Quick drop plugin will enclose your selected code with the error case structure. Refer the gif below.

How to use:
- Select the part of the code which you want to be enclosed within the error case structure
- Invoke the quick drop shortcut [Default is given as K, Change this in Quickdrop dialog or by editing the VI documentation]
The attachment contains the source code in LabVIEW version - 2014. Place this plugin in necessary locations to use it for your required LabVIEW version.