Undefined array key errors

[Stephen-Almendinger]

I am using Pattern Lab Node v6.1.0 on Mac, with Node v16.20.2, using a Gulp Edition.

PHP Warning:  Undefined array key "template" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115
PHP Warning:  Undefined array key "data" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115

Warning: Undefined array key "template" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115

Warning: Undefined array key "data" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115
PHP Warning:  Undefined array key "template" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115
PHP Warning:  Undefined array key "data" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115
PHP TwigRenderer Error: The response callback is expected to resolve with an object implementing Psr\Http\Message\ResponseInterface, but rejected with "TypeError" instead.

Warning: Undefined array key "template" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115

Warning: Undefined array key "data" in /Users/stephenalmendinger/localdev/vacu-d9/web/themes/custom/vacu/patternlab/node_modules/@basalt/twig-renderer/dist/server--async.php on line 115
PHP TwigRenderer Error: The response callback is expected to resolve with an object implementing Psr\Http\Message\ResponseInterface, but rejected with "TypeError" instead.

Expected Behavior

Code compiles when doing a run build.

Actual Behavior

Code fails with the error outlined aboved

Steps to Reproduce

Create a patternlab with gulp. Run build command.