各位老师们，恳求帮忙看一下我遇到的问题

在调用PND_UsrExtDiag 接口上报故障时，模块在上报8个故障后，再上报其他任何故障，博图V20诊断缓冲区就会提示“错误:其它可用诊断信息未单独存储”

个人怀疑是PND_UsrExtDiag 接口最多支持上报8条诊断，超过后便会提示“错误:其它可用诊断信息未单独存储”

以下为三种情况的报文内容（重点在第三种情况，前两条作为对比）

情况1：单独上报一条现场电源故障

slot1 单独现场电源故障报文：20 01 00 1F 18 AA 49 56 33 8D 3C 0D 20 80 00 00 00 00 00 00 20 82 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

情况2：上报8条上溢故障
slot1 仅 8 条上溢报文（通道7上溢）：20 01 00 1F 18 AA 7D 34 FB 64 EF 79 20 80 00 00 00 00 00 00 DC 7E 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道6上溢）：20 01 00 1F 18 AA 7D 34 DD 88 3D CA 20 80 00 00 00 00 00 00 D6 3E 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道5上溢）：20 01 00 1F 18 AA 7D 34 BF A7 9F 97 20 80 00 00 00 00 00 00 CF FE 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道4上溢）：20 01 00 1F 18 AA 7D 34 A1 CA 85 38 20 80 00 00 00 00 00 00 C9 BE 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道3上溢）：20 01 00 1F 18 AA 7D 34 84 95 C0 07 20 80 00 00 00 00 00 00 C3 7E 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道2上溢）：20 01 00 1F 18 AA 7D 34 82 7F B5 0F 20 80 00 00 00 00 00 00 BD 3E 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道1上溢）：20 01 00 1F 18 AA 7D 34 0C 7B 04 85 20 80 00 00 00 00 00 00 B6 FE 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
slot1 仅 8 条上溢报文（通道0上溢）：20 01 00 1F 18 AA 7D 34 03 26 54 3F 20 80 00 00 00 00 00 00 20 93 01 09 73 A5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

情况三：上报8条上溢故障后，再上报现场电源故障
slot1 8 条上溢后再加现场电源故障报文：20 01 00 1E 18 AA 7D 35 37 15 CB 3F 00 21 00 00 00 00 00 00 00 00 01 09 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00