Lease details report showing values in adjustment column for ROU but not for lease liability

When a lease is amended, the lease details report is updated with the adjustment amount for both ROU and lease liability balances. However, upon amending the same lease again, the lease details report was updated with adjustment balance for ROU but not for lease liability. The lease liability balances reflected was net of this adjustment amount and adjustment column was blank. Want to know the reason behind this behavior. Why the adjustment column was showing balances for ROU but not for lease liability.