COMAC如何使用？

纵横四海

对订单用COMAC进行可用性检查时，会出现错误：
请问批量执行时的“重置”与“固定”分别是怎么用的？
请问谁有关于可用性检查的详细说明？

请高手指点一下，谢谢~！

纵横四海

SAP事务代码PP部分一

TCODE Description Availability COMAC Availability Check CO09 Availability Overview Material BOM Group CS05 Change Material BOM Group CS06 Display Material BOM Group CS80 Change Documents for Material BOM Create and Maintain BOM CS01 Create Material BOM CS02 Change Material BOM CS03 Display Material BOM CS11 Display BOM Level by Level CS12 Multilevel BOM CS13 Summarized BOM CS14 BOM Comparison CS15 Single-Level Where-Used List CS61 Create Order BOM CS62 Change Order BOM CS63 Display Order BOM Capacity Evaluation CM01 Cap. Planning, work center load CM02 Cap. Planning, work center orders CM03 Cap. Planning, work centre pool CM04 Cap. Planning, work center backlog CM05 Cap. Planning: work center overload CM07 Cap. Planning: Variable access CM50 Capacity Levelling: SFC work center list CM51 Capacity Levelling: SFC individual cap. list CM52 Capacity Levelling: SFC orders list Display Sales Order VA03 Display Sales Order PP Display CA03 Display Routing CR03 Display Work Center CR05 Work Center List CR06 Work Center Assignment to Cost Center MM03 Display Material COOIS Production Order Information System CO03 Display Production Order MD13 Display Planned Order MD63 Display Planned Independent Requirement MD73 Display Total Requirements CO14 Display confirmation of production order Goods Issue for Production MB31 Goods Receipt for Production Order Logistics Information Display CO24 Missing Part Info System