Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 10b6ae4b79861b9455c2b97669b5c2935060cfb6707a7eed2c5d67b2892e4261:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^