Error finding adding a slot - in Qt Designer

Error finding adding a slot - in Qt Designer error slot This component is responsible for handling errors that occur within its default slot On client-side, it will prevent the error from bubbling up to the top error_ draggable element must have an item slot Land & Environment slot booking is not allowed error 06:33:01  मैंने एक दिन एक ऑनलाइन स्लॉट बुक करने का प्रयास किया,

error_ draggable element must have an item slot Error In Server No Slot Booking Nor Bill Could Be Made Till 2 Pm, 1300 Quintals Of Moong Was Purchased सर्वर में एरर

error 1089 Standard Slot command parameter error SCENARIO: 1) Switch to Mechanical Design > Structure Design Workbench 2) Create a Grid 3) Create a Plate on this grid 4) Solucionado: I have a sequence with two mails First mail was sent but I have a error for few user : The desired email sending time slot is