# Overview ## `CommonErrors {}` The `CommonErrors` object represents the storage of errors with [unique identification](https://error.angular-package.dev/draft-5/getting-started/basic-concepts#unique-identification) numbers. {% embed url="" %} `common-errors.class.ts` {% endembed %} ### **Accessors** | | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | |

protected get errors(): Map<Id, any>
The get accessor returns the errors of Map type by returning the #errors property of a specified object.

| ### Properties | | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | |

public static template?: string

Optional template of string type.

| |

#id?: Set<Id>
The collection of unique allowed identification numbers of generic type variable Id.

| |

#errors: Map<Id, any>
The errors storage of the Map type where the key is of the generic type variable Id.

| ### Methods | | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | |

public delete(): this

Deletes the error of a specified id from the object.

| |

public has(): boolean
The has() method checks whether the error of the given id exists in a specified object.

| |

public throw(): void
Throws an error of the given id if the unique id was provided in the constructor.

| |

protected isAllowedId(): boolean
Checks whether the given identification number was provided in the constructor.

|