error: TypeError: Cannot convert undefined or null to object at DocParser.setter

[hayesmaker]

I get this error and don't know how to debug yuidoc to tell me where the problem in my code is... is there an option to run better debugging?

error: --------------------------------------------------------------------------
error: An uncaught YUIDoc error has occurred, stack trace given below
error: --------------------------------------------------------------------------
error: TypeError: Cannot convert undefined or null to object
    at DocParser.setter (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yuidocjs/lib/docparser.js:966:79)
    at DocParser._setAttrVal (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/attribute-core/attribute-core-min.js:1:3458)
    at DocParser._defAttrChangeFn (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/attribute-observable/attribute-observable-min.js:1:1072)
    at u.fireComplex (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/event-custom-complex/event-custom-complex-min.js:1:1898)
    at _fire (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/event-custom-base/event-custom-base-min.js:1:4635)
    at DocParser.fire (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/event-custom-base/event-custom-base-min.js:2:5467)
    at DocParser._fireAttrChange (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/attribute-observable/attribute-observable-min.js:1:955)
    at DocParser._setAttr (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/attribute-core/attribute-core-min.js:1:2479)
    at DocParser.set (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yui/attribute-observable/attribute-observable-min.js:1:333)
    at DocParser.module (/Users/hayesmaker/Workspace/games/thrust30/thrust-platform/node_modules/yuidocjs/lib/docparser.js:444:22)