"Maximum call stack size exceeded." when importing big Swagger API Specifications

[T01iK]

Trying to use RapidAPI to import IBM Watson API spec and it results in error: "Import Failed - Maximum call stack size exceeded".
Spec HTML: https://cloud.ibm.com/apidocs/watson-data-api-cpd#introduction
JSON: https://cloud.ibm.com/apidocs/watson-data-api-cpd.json

[say8425]

same here. any news?