https://gitlab.synchro.net/main/sbbs/-/issues/392#note_4793
Here are more occurrences (always seem to come in pairs):
```
term Node 1 <David Murray> Wed Feb 07 2024 17:31:55 GMT-0800 (Pacific Standard Time), Node 1 s:\sbbs\xtrn\lord2\cnw\l2lib.js line 1112: REF Error Invalid integer (s32): NaN at npcwed.ref:16
term Node 1 <David Murray> Wed Feb 07 2024 17:31:58 GMT-0800 (Pacific Standard Time), Node 1 s:\sbbs\xtrn\lord2\cnw\lord2.js line 1033: REF Error @datasave passed invalid rec parameter at npcname.ref:211
term Node 6 <Markandpreston> Sat Feb 10 2024 10:38:24 GMT-0800 (Pacific Standard Time), Node 6 s:\sbbs\xtrn\lord2\cnw\l2lib.js line 1112: REF Error Invalid integer (s32): NaN at npcwed.ref:16
term Node 6 <Markandpreston> Sat Feb 10 2024 10:38:26 GMT-0800 (Pacific Standard Time), Node 6 s:\sbbs\xtrn\lord2\cnw\lord2.js line 1033: REF Error @datasave passed invalid rec parameter at npcname.ref:211
```
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