SACRAMENTO, Calif — 10 On Your Side is getting results for a viewer who says AT&T cancelled her entire business account after a major mix-up. The company is now apologizing. “I am reaching out to request your assistance regarding a serious and unresolved issue with AT&T that has resulted in the abrupt shutdown of my business services. Without warning, authorization, or notice, AT&T cancelled my entire business phone account, disconnecting five active business lines.