| Number | Explanation |
|---|
| 0 | All fragments measured |
| 10 | Valid estimate for difficult structure |
| 20 | Estimated fragment value used |
| 30 | Approximated fragment value used |
| 31 | Benzyl approximation used |
| 32 | Vinyl approximation used |
| 33 | New approximated fragment value used |
| 40 | A priori fragment value used |
| 41 | Benzyl approx. based on a priori value |
| 42 | Vinyl approx. based on a priori value |
| 43 | Other a priori fragment value used |
| 50 | Warning, hard-to-estimate structure |
| 51 | Very high LogP unrealistic in nature |
| 52 | "X/Y-C-C-Y" excessive structure |
| 54 | Possibly low due to hydrophillic overlap |
| 55 | Possibly anomalous steroid |
| 56 | Possibly anomalous alkaloid |
| 57 | Error uncertain for charged structures |
| 58 | (NEW) STRUCTURE CAUGHT IN SCREEN |
| 60 | INVALID due to missing fragment value |
| 70 | Apparent impossible structure |
| 71 | CLOGP3 can't do disconnected structures |
| 72 | Apparent impossible structure |
| 80 | INVALID smiles input (fatal) |
| 90 | NULL smiles input (fatal) |