When the Lord God Almighty decrees that something should happen at a certain time, the devil and his emissaries commence a plan of action to wreak havoc, so as to disrupt the timeline. If and when they succeed, it always is because we gave in to fear, and failed to proceed as God commanded.
God always has a backup plan, and if we choose to confess our sin and turn back to him, he always will reassert his decree in our favor, and will enable us to receive its benefits. God's decrees always are contingent upon our having faith in him, and in his power to release us from bondage to Satan.
The Lord God Almighty El Shaddai