Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa158c60db3f9ddd0fde947c98dfb3a6be87dfb65964ccc4d2fdc9d51bd11de0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^