The Assignment of Errors, 1. by whom; 2. at what time; 3. upon what Record; 4. of what things.
Assignment of Errors is in place of a Decla∣ration, 9 Edw. 4.32. for therein the Plaintiff de∣clares, why the Defendant should not have execu∣tion upon his Judgment.
If one brings a Writ of Error, and he and ano∣ther assign Errors, this is good, as to him that brought the Writ of Error, and void as to the other, for that was but superfluous; but if two brought error, and one assign errors, this is not good to either, because the Writ was joynt, Mich. 9 Jac. in the Chequer Chamber, Shakely versus Porter.
Conusor of a Fine shall not assign error in the Conusance to reverse his own Fine, which is his own act; neither the Conusee in the Grant and Render, which is his act; neither the Recoverer in the Recovery, Coke 5. part. 39. B. for they ought not to defeat, but to maintain their own acts.
Executor in Error by him upon a Judgment given against him, shall not assign for error, that the debt was but upon a simple Contract, Com. 182. A. 10 Hen. 6.24. for he might have pleaded it in barr of the Action.