IN NULLO EST ERRATUM, pleading. A plea to errors assigned on proceedings in error, by which the defendant in error affirms there is no error in the record. As to the effect of, such plea, see 1 Vent. 252; 1 Str. 684; 9 Mass. R. 532; 1 Burr. 410; T. Ray. 231. It is a general rule that the plea in nullo est erratum confesses the fact assigned for error; Yelv. 57; Dane's Ab. Index, h. t.; but not a matter assigned contrary to the record. 7 Wend. 55; Bac. Ab. Error; G.