This is commonly the result of an undermill in the milling process. Sometimes you'll have to go and over finish (meaning grinding the surface down with a fine diamond) the abutment before the crown seats on it all the way. There may be a setting that will allow you to increase the cement spacer in between the abutment, and the crown, this will enable you to seat the crown on the abutment a little more easily.
Such an amazing tutorial 👍👍
So I split my crown before but after firing the margin of the crown didn't match up the abutment
This is commonly the result of an undermill in the milling process. Sometimes you'll have to go and over finish (meaning grinding the surface down with a fine diamond) the abutment before the crown seats on it all the way. There may be a setting that will allow you to increase the cement spacer in between the abutment, and the crown, this will enable you to seat the crown on the abutment a little more easily.
Thanks