Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f10826674775a5dc2beed7e84e14c095954f7f74737334663c97d8954f4218c5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^