ERROR IN ZTCFG -VV

[root@picodedante zaptel-1.4.0]# ztcfg -vvZaptel Version: 1.4.0Echo Canceller: MG2Configuration======================SPAN 1: ESF/B8ZS Build-out: 133-266 feet (DSX-1)SPAN 2: ESF/B8ZS Build-out: 133-266 feet (DSX-1)Channel map:Channel 01: FXS Kewlstart (Default) (Slaves: 01)Channel 02: FXS Kewlstart (Default) (Slaves: 02)Channel 03: FXS Kewlstart (Default) (Slaves: 03)Channel 04: FXS Kewlstart (Default) (Slaves: 04)Channel 25: Clear channel (Default) (Slaves: 25)Channel 26: Clear channel (Default) (Slaves: 26)Channel 27: Clear channel (Default) (Slaves: 27)Channel 28: Clear channel (Default) (Slaves: 28)Channel 29: Clear channel (Default) (Slaves: 29)Channel 30: Clear channel (Default) (Slaves: 30)Channel 31: Clear channel (Default) (Slaves: 31)Channel 32: Clear channel (Default) (Slaves: 32)Channel 33: Clear channel (Default) (Slaves: 33)Channel 34: Clear channel (Default) (Slaves: 34)Channel 35: Clear channel (Default) (Slaves: 35)Channel 36: Clear channel (Default) (Slaves: 36)Channel 37: Clear channel (Default) (Slaves: 37)Channel 38: Clear channel (Default) (Slaves: 38)Channel 39: Clear channel (Default) (Slaves: 39)Channel 40: Clear channel (Default) (Slaves: 40)Channel 41: Clear channel (Default) (Slaves: 41)Channel 42: Clear channel (Default) (Slaves: 42)Channel 43: Clear channel (Default) (Slaves: 43)Channel 44: Clear channel (Default) (Slaves: 44)Channel 45: Clear channel (Default) (Slaves: 45)Channel 46: Clear channel (Default) (Slaves: 46)Channel 47: Clear channel (Default) (Slaves: 47)Channel 48: D-channel (Default) (Slaves: 48)Channel 49: Clear channel (Default) (Slaves: 49)Channel 50: Clear channel (Default) (Slaves: 50)Channel 51: Clear channel (Default) (Slaves: 51)Channel 52: Clear channel (Default) (Slaves: 52)Channel 53: Clear channel (Default) (Slaves: 53)Channel 54: Clear channel (Default) (Slaves: 54)Channel 55: Clear channel (Default) (Slaves: 55)Channel 56: Clear channel (Default) (Slaves: 56)Channel 57: Clear channel (Default) (Slaves: 57)Channel 58: Clear channel (Default) (Slaves: 58)Channel 59: Clear channel (Default) (Slaves: 59)Channel 60: Clear channel (Default) (Slaves: 60)Channel 61: Clear channel (Default) (Slaves: 61)Channel 62: Clear channel (Default) (Slaves: 62)Channel 63: Clear channel (Default) (Slaves: 63)Channel 64: Clear channel (Default) (Slaves: 64)Channel 65: Clear channel (Default) (Slaves: 65)Channel 66: Clear channel (Default) (Slaves: 66)Channel 67: Clear channel (Default) (Slaves: 67)Channel 68: Clear channel (Default) (Slaves: 68)Channel 69: Clear channel (Default) (Slaves: 69)Channel 70: Clear channel (Default) (Slaves: 70)Channel 71: Clear channel (Default) (Slaves: 71)Channel 72: D-channel (Default) (Slaves: 72)52 channels configured.CAS signalling on span 3 conflicts with Clear channel on channel 64.