Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c14ab90a5f86e7130e1bb8020a632a85010c9f08eab6685c13407affc95da932:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^