I met this problem
Relevant Skills and Experience
Xcode
Proposed Milestones
€1 EUR - Re-export the png icon, sometimes the png file has problem
€1 EUR - delete the png file in 167*167 slot, and put new png file again
€1 EUR - update Xcode
€1 EUR - exam ipa file, check whether there is a 167 files or not
€4 EUR - more details and communication