diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 272bfbd..3604614 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1637,8 +1637,8 @@ model Cancellations {
   scheduleHeaderXid  Int            @map("schedule_header_xid")
   scheduleHeader     ScheduleHeader @relation(fields: [scheduleHeaderXid], references: [id], onDelete: Cascade)
   occurenceDate      DateTime?      @map("occurence_date")
-  startTime          String         @map("start_time") @db.VarChar(30)
-  endTime            String         @map("end_time") @db.VarChar(30)
+  startTime          String?         @map("start_time") @db.VarChar(30)
+  endTime            String?         @map("end_time") @db.VarChar(30)
   cancellationReason String?        @map("cancellation_reason")
   isActive           Boolean        @default(true) @map("is_active")
   createdAt          DateTime       @default(now()) @map("created_at")