1.Poor requirements
2.continuesly chageing resquirements.
3.schedule problem
4.not sufficient testing 
5.s/w programming tools

Continously Change Requirements
Poor requirements &documents
Mis-communications
Ego

1.poor requirements.
2.unrealistic schedule.
3.inadequate testing.
4.futuritis.
5.miscommunication.

poor skill of devloper
miscoomunication
time pressure
rer. is not clear
rer. is changing always

The 5 common problems in software development process
are
1.poor requirements
2.unrealistic schedules
3.inedequate testing
4.changing requirements
5.miscomunications

Incomplete SRS
Communication gap
Poor Quality Assurance and quality Control
Poor Configuration Management
Time scheduling

1. Miscommunication of Requiirement.
2. Tight Schedule
3. Continuosly Changing Requirement
4. Not sufficient time for Testing
5. Egos

1.Less domain knowledge(User requirements)
2.Less coordination between team members.
3.Completetion of documentation after completeion of actual 
product(like test plan,etc)
4.Changing of user requirements.
5.Improper division of work between team members.

1.poor requirements
2.unrealistic schedules
3.Changing of user requirements
4.Less coordination between team members.
5.miscommunication