• MV_QEMPV:

.F. - The balance allocated for Production Order is regarded as Available in Stock, which may generate Negative Balances even for Automatic Releases. Reference link: https://tdn.totvs.com/x/Iz6bEg
.T. - 
The balance allocated for Production Order is not regarded as Available in Stock. 

• MV_GERABLQ: 

S - Generate stock blocking for products that control tracing or location.
N - Do not generate stock blocking

1. The TIO (Type of Inflow and Outflow) used in Sales Order (MATA410) has the field “Stock Upd.” (F4_ESTOQUE) set to “S-Yes”;
2. Check whether the Stock Release was performed by option “Automatic”. If performed by option “Manual”, the system disregards the product balance in stock and Releases the Sales Order, leaving the product balance Negative.
3. In TIO Register, field "By 3rd" (F4_SLDNPT): Indicates whether our balance held by third party can be used for dispatch. If the sales order lacks an Available Balance or has only a Partial Balance and field F4_SLDNPT is filled out as 1 - Available for Billing, the stock will not be blocked, because the system regards Our Balance as Held by Third Party to execute the billing.
   The Available Balance remains negative until the material returns from the third party, deducting the balance value.

• MV_AVALEST: This parameter defines the Stock Evaluation If it is set to content 3, all billings are Blocked by Stock, requiring Release routines to release them.

1. “WMS Blocking” (C9_BLWMS): Check whether the caption for this product , in the Stock Release routines, is Yellow (Blocked – WMS). This indicates a Blocking generated by module "Warehouse Management" (SIGAWMS), in which case you should contact the Support team of the module;

2. “Warehouse” (C6_LOCAL): Check whether the Product has balance available in the warehouse entered in the Sales Order.

3. “Release Type” (C5_TIPLIB): Check whether all items of Sales Order have Balances in Stock. If one of them does not and field “Release Type” (C5_TIPLIB) is set to “2 - By Order”, all other items will actually be Blocked by Stock.
Another example is whether the field "Release Type" (C5_TIPLIB) is set to “2 - By Order”, the item(s) have Balances in Stock and the Sales Order is Blocked by Credit. In this case the item(s) will be Blocked by Credit and Stock (even having Balances in Stock); 

4. "Reserved Qty" (B2_RESERVA): Check whether the Reserved Quantity of the Product is smaller than the Available Quantity. The reserved quantity is the quantity entered in Released Orders.
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5. "3rd P. Qty H. by Us" (B2_QTNP): If this field contains any value, check whether it is greater than the "Available Qty". This Field contains the quantity from Third Parties Held by Us, a balance that cannot be sold, because it belongs to third parties.
This occurs when an Incoming Document (MATA103) is executed with a TIO (Type of Inflow and Outflow) that controls that which is Held by Third Parties (F4_PODER3) as "R-Remittance". To release this balance, first reverse it, then enter it with a TIO without control of that which is held by third parties.

6. "Held by 3rd P." (F4_PODER3): If the order is a Balance Return from Third Parties, check whether the TIO of the Sales Order (MATA410) has the field "Held by 3rd P." (F4_PODER3) filled out as “D-Return”.

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7. “Trace” (B1_RASTRO): Enter whether the product has Batch control. If so, check whether a Balance Available for the Batch is registered in field “Batch” (C6_LOTECTL or C9_LOTECTL). You can view the balance in routine “Batch Maintenance” (MATA390). The Batch must be:

• • Within Validity;
  • With Available Balance;
  • Creation Date equal to or before the Current Date.

8. “Addr. Contr.” (B1_LOCALIZ): Indicates whether the product controls Addressing. If so, check whether a balance is available for the Address entered in field “Address” (C6_LOCALIZ), you can view the balance in routine “Product Addressing” (MATA265). You can check the quantity not addressed in field “Qty N. Addr.” (B2_NAOCLAS);