Yaskawa MotionWorks IEC - Manual (Page 126)

PLCopenPlus Function Blocks for Motion Control 2013-04-13 118
POUs.
4641 Buffer mode does not correspond to a valid enumeration
value.
4893 The specified external axis may not be used. A physical axis is
required
4894 The specified virtual axis may not be used with this function
block.
57617 Instance object is NULL.
57620 The structure size does not match.
61713 An internal motion kernel command failed. This error could be
caused by inserting multiple MC_Power function blocks in the
program for the same axis. Only one MC_Power function per
axis is required. (Do not include more than one.)