https://github.com/solana-labs/solana/pull/17004 removed position field from coding-shred-header because as it stands the field is redundant and unused. However, with the upcoming changes to erasure coding schema this field will no longer be redundant and needs to be populated. (cherry picked from commit cd17f63d818fc5f403678f670a9384579a5cfb9c) Co-authored-by: behzad nouri <behzadnouri@gmail.com>