Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18b9d36cd54e1bc375b35f42cfb756ba5c779dfd4436ddec51ec149bcd155d79:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^