Reference for Zevachim 110:5
במערבא מתני הכי אמר רב יעקב בר אחא אמר רב אשי שלמים ששחטן קודם שיפתחו דלתות ההיכל פסולים ובמשכן קודם שיעמידו לוים את המשכן ולאחר שיפרקו לוים את המשכן פסולים
It was stated likewise: Mar 'Ukba B'Hama said in R'Jose son of R'Hanina's name: If one slaughtered a peace-offering before the doors of the hekal were opened, it is invalid, because it is said, 'And he shall kil it at the entrance [opening] of the tent of meeting': when it is open, and not when it is shut. In the West [Palestine] they recited it thus: R'Aha B'Jacob said in R'Ashi's name: If a peace-offering is slaughtered before the doors of the hekal are opened, it is invalid; in the Tabernacle,<span class="x" onmousemove="('comment',' When there was no door, but only an opening.');"><sup>5</sup></span>