sql-error-conditions-connect-error-class.md
---
layout: global
title: CONNECT error class
displayTitle: CONNECT error class
license: |
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---
SQLSTATE: none assigned
Generic Spark Connect error.
This error class has the following derived error classes:
## INTERCEPTOR_CTOR_MISSING
Cannot instantiate GRPC interceptor because `<cls>` is missing a default constructor without arguments.
## INTERCEPTOR_RUNTIME_ERROR
Error instantiating GRPC interceptor: `<msg>`
## PLUGIN_CTOR_MISSING
Cannot instantiate Spark Connect plugin because `<cls>` is missing a default constructor without arguments.
## PLUGIN_RUNTIME_ERROR
Error instantiating Spark Connect plugin: `<msg>`
## SESSION_NOT_SAME
Both Datasets must belong to the same SparkSession.