Please help with this, i dont know what to do

Problem signature:
Problem Event Name: APPCRASH
Application Name: ffxiv.exe
Application Version: 1.0.0.0
Application Timestamp: 537031fd
Fault Module Name: StackHash_eecb
Fault Module Version: 6.1.7601.18247
Fault Module Timestamp: 521ea8e7
Exception Code: c0000374
Exception Offset: 000ce753
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: eecb
Additional Information 2: eecbf392847b9c70d7b86b66dab658ad
Additional Information 3: 9da4
Additional Information 4: 9da4cb8145194c6d55ff035

How do i fix this?