Unable to transform from PDS3 Label to PDS4 Label with upgraded mi-label

[jordanpadams]

Checked for duplicates

Yes - I've already checked

🐛 Describe the bug

When I did transformation using one of the examples in the repository, I get an error

🕵️ Expected behavior

I expected transformation to occur

📜 To Reproduce

$ transform-1.12.0-SNAPSHOT/bin/transform --target transform-1.12.0-SNAPSHOT/examples/N1727539187_1.LBL --format-type pds4-label

PDS Transform Tool Log

Version                     Version 1.12.0-SNAPSHOT
Time                        Sat, Sep 30 2023 at 01:18:22 PM
Target                      [file:/Users/jpadams/proj/pds/pdsen/workspace/transform/transform-1.12.0-SNAPSHOT/examples/N1727539187_1.LBL]
Output Directory            /Users/jpadams/proj/pds/pdsen/workspace/transform
Index                       1
Format Type                 pds4-label

INFO:   [/Users/jpadams/proj/pds/pdsen/workspace/transform/transform-1.12.0-SNAPSHOT/examples/N1727539187_1.LBL] Transforming label file: /Users/jpadams/proj/pds/pdsen/workspace/transform/transform-1.12.0-SNAPSHOT/examples/N1727539187_1.LBL
ERROR:   [file:/Users/jpadams/proj/pds/pdsen/workspace/transform/transform-1.12.0-SNAPSHOT/examples/N1727539187_1.LBL] Error occurred while generating PDS4 label: Cannot invoke "org.apache.velocity.VelocityContext.put(String, Object)" because "this.context" is null

🖥 Environment Info

No response

📚 Version of Software Used

Version Version 1.12.0-SNAPSHOT
Time Sat, Sep 30 2023 at 01:28:09 PM

🩺 Test Data / Additional context

No response

🦄 Related requirements

Refs NASA-PDS/mi-label#45

⚙️ Engineering Details

No response