[Home](./index.md) > [kibana-plugin-plugins-expressions-server](./kibana-plugin-plugins-expressions-server.md) > [ExecutionState](./kibana-plugin-plugins-expressions-server.executionstate.md) > [error](./kibana-plugin-plugins-expressions-server.executionstate.error.md) ## ExecutionState.error property Error happened during the execution. Signature: ```typescript error?: Error; ```