Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72c03c05c8139cc3031db441339fbe697458f18b5e8636af181d77e4fde6691f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^