Probable duplicate crew

[STSH]

IDs 7473 and 9992 appear to be identical.<br><br>Chan Pooi Wa<br><br>Both IDs are for a producer/planner, working in the same period.<br><br>-----------<br><br>also, person IDs 12040 & 12485<br>seem very similar.<br>They are both 4-char names. Japanese names.<br>Only the 2nd char is different.<br>The two people's production credits are both as producer/planner, around the mid-late 1990s.<br>Could one be a misprint ?<br><br>