[Home](./index.md) > [@datashaper/schema](./schema.md) > [FieldError](./schema.fielderror.md) ## FieldError interface Signature: ```typescript export interface FieldError ``` ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [constraints](./schema.fielderror.constraints.md) | | [Constraints](./schema.constraints.md) | Constraints for the field so parameters can be retrieved. Note that there must be an entry in the constraints object for the rule that failed. | | [indexes?](./schema.fielderror.indexes.md) | | number\[\] | (Optional) Optional row indexes that failed the validation (if includeIndexes was true during validation) | | [name](./schema.fielderror.name.md) | | string | Name of the field this error is associated with | | [rule](./schema.fielderror.rule.md) | | [ErrorCode](./schema.errorcode.md) | Rule that failed | | [validate?](./schema.fielderror.validate.md) | | [ValidationFunction](./schema.validationfunction.md) | (Optional) Validation function that produced the error, useful for re-applying at runtime. |