What's this error? - "Locked axis was programmed"

Four-axis machine with itnc 530. If you use a loop, 19 produces the following error - "Locked axis was programmed".

0 BEGIN PGM TEST MM
1 BLK FORM 0.1 Z X-105 Y-155 Z-205
2 BLK FORM 0.2 X+105 Y+110 Z+5
3 CYCL DEF 247 REFERENCE POINT ~
4 Q339=+1 ;REFERENCE POINT NUMBER
8 TOOL CALL 1 Z S3000
9 CYCL DEF 7.0 DATUM SHIFT
10 CYCL DEF 7.1 X+100
11 CYCL DEF 7.2 Y+0
12 CYCL DEF 7.3 Z-100
13 L B+90 FMAX
14 CYCL DEF 19.0 WORKING PLANE
15 CYCL DEF 19.1 B+90
16 L X-92 Y-153 R0 FMAX
17 L Z+25 R0 FMAX M03
18 L Z+2 R0 FMAX