I am getting an error when using DUCKDUCKGOOG.

[YangonGy]

Please report this entire error and stack trace to https://github.com/jadejs/jade/issues
at Compiler.visitNode (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:225:37)
at Compiler.visit (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:212:10)
at Compiler.visitBlock (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:295:12)
at Compiler.visitNode (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:225:37)
at Compiler.visit (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:212:10)
at Compiler.compile (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/compiler.js:66:10)
at parse (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/index.js:114:19)
at Object.exports.compile (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/index.js:205:16)
at handleTemplateCache (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/index.js:174:25)
at Object.exports.renderFile (/home/duckduckgoog/duckduckgoog/node_modules/jade/lib/index.js:380:10)