Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0e51bd549c8b23bcb5df383eb3265bf051187ed8fc4269d5073338a962f5118:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^