A lot of effort and time is wasted thanks to the age old complex data model that none of the developers like to touch or improve.
A lack of clear cut vision for the product to take the S&OP solution to the next level.
Supply Planning as a custom solution has not impressed the market thanks to the lack of knowledge of the current management and the movement of capable individuals who were driving the Supply planning side of things.
Market Knowledge and Customer Interactions for Product Management are at a minimum. A lot of times the Implementation teams are not capable to understand customer needs and perform the role of the POC for Customers.
Stinginess had crept in during the last few months of my tenure with the India Finance team, a lot of layoffs were also undertaken during this period.