Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a34f9789bf773f27f3c483d38efe1e12d73d726ba0833bb6e3b2beb3adb80b62:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^