MOSCOW, April 27. /TASS/. The automatic system that canceled the launch of the Soyuz-2.1a rocket from the Vostochny spaceport on Wednesday identified a glitch in one of the rocket’s control systems, a source in the space rocket industry has told TASS.

"According to the interpretation of telemetry the automatic system identified a glitch in one of the instruments of the control system responsible for starting and stopping the engines, for the separation of rocket stages, and for the direction of flight," the source said.