Can you fine tune this sentence - Together with APAC TSE we conducted a thorough investigation and discovered that the root cause for the high Error reason code is due to the low accuracy of RMP Rule

In collaboration with APAC TSE, we carried out a comprehensive inquiry and ascertained that the primary reason for the elevated "Error" reason code is the inadequate precision of RMP (Rule Management Pxx) regulations. These regulations were designed to automate the process and minimize the need for excessive operational investigations.