Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b34536f10df91a720f7a94e5fa20322362755d2e1b28f553ea68efe4f634c32:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^