SL55 giving error at defrent memoey locations

dear members,

freia is able to write the flash but every time it gives error

ex;
1. COMM_NormalWriteFlashBlock : write error at 00580000
2. COMM_NormalWriteFlashBlock : erase error at 00900000
3. COMM_NormalWriteFlashBlock : write error at 00420000
4. COMM_NormalWriteFlashBlock : write error at 00470000
5. COMM_NormalWriteFlashBlock : write error at 00750000
6. ....
7. ....
?. COMM_NormalWriteFlashBlock : write error at 00410000

can anyone please help me in solveing my problum

thank you
Majid