Gabor could not be there because he was on the battlefront and was unable to seek leave. Apor was first sent to Gyula on 31 August 1915 and he preached his first sermon on the following 8 September.
Gabor's military commitments prevented him from attending, so Apor was sent to Gyula on August 31, 1915, and preached his inaugural sermon the following day, September 8.