Dear teachers, I used CMAQv5.5-ISAM to analyze PM2.5 and found that PM_TOT can be directly selected in version 5.5. However, after trying the following methods, the same error persisted:1. Reducing the number of source categories being tracked;2. Modifying SA_DEFN.F by setting VOC to FALSE (as I suspected the issue might be due to too many species in VOC);3. Increasing the number of computational nodes. Is there any teacher who can help me look at my problem, which has been bothering me for a long time . Thank you very much for your answers！
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