Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2c13b0da590ddc9dac98b708fd67b8cbec612b3e8e82e9b7630e6cc60fa0644:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^