Uncaught TypeError: Cannot read property 'toStringWithSourceMap' of undefined

[riatzukiza]

    at _sourcemapper$ (node_modules/sibilant/maps/src/sourcemap.sibilant:21:35)
    at node_modules/sibilant/maps/src/node.sibilant:61:35
    at node_modules/sibilant/maps/src/node.sibilant:61:24
    at node_modules/sibilant/maps/src/node.sibilant:90:80
    at withDirAndFile$ (node_modules/sibilant/maps/src/require-and-include.sibilant:29:19)
    at node_modules/sibilant/maps/src/macros/lambda.sibilant:207:11
    at withFile$ (node_modules/sibilant/maps/src/node.sibilant:89:6)
    at sibilant$entry$ (node_modules/sibilant/maps/src/node.sibilant:53:7)
    at sibilant (node_modules/sibilant/maps/src/macros/lambda.sibilant:207:11)
    at Function.sibilant$include$ [as include] (/node_modules/sibilant/maps/src/node.sibilant:143:11)

When I try to require sibilant from an electron project.