doc.model is not a function

[twoheaded]

I get the following error:

TypeError: doc.model is not a function
    at makeUniqueCounterSlug (node_modules\mongoose-slug-generator\lib\slug-generator.js:142:9)
    at node_modules\mongoose-slug-generator\lib\slug-generator.js:91:21
    at node_modules\mongoose-slug-generator\node_modules\async\lib\async.js:181:20

when I try to add unique slugs for nested and parent schemas.

Can you help me with this problem?

[YuriGor]

Implemented in this fork
Same as in MongoDB, unique slugs in nested arrays elements will be unique over collection on per-document basis, so inside nested array duplicate slugs will still be possible.

[nikhillad01]

Implemented in this fork
Same as in MongoDB, unique slugs in nested arrays elements will be unique over collection on per-document basis, so inside nested array duplicate slugs will still be possible.

This worked for me.. Thanks