The state has sent a written warning to McMinnville officials about a long-standing procedure that could be against the state’s open meetings act and may result in legal action.Tennessee Comptroller of the Treasury, the organization that oversees procedures of municipalities, sent a letter dated Nov. 5 to McMinnville Mayor Norman Rone.“I cannot say for certain the Board of Mayor and Aldermen violated the open meetings act,” wrote Comptroller Justin P. Wilson. “However, I strongly encourage you to confer with your attorney ...”The warning surrounds the meeting held Sept. 25, 2012 where officials voted to renew the contract of city administrator David Rutherford. The meeting’s agenda did not mention the measure, which was sent to the full board by Finance Committee members, who met earlier that night.