Welcome to the RAS Solution Forums HEC-RAS Help I am getting this error regarding extrapolation

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  • #7655
    Mohit Jani
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    **** ERROR: Solution Solver Failed ****

    Minimum error exceeds allowable tolerance at 31MAY2021 24:00:00

    Tributary2 Song 12927

    ***** Warning! Extrapolated above Cross Section Table at: *****
    (The extrapolation may have been caused by model instability)

    Tributary Alaknanda R.S. 2168
    Main Bhagirathi R.S. 151999
    Main Bhagirathi-Lower R.S. 117294
    Main Bhagirathi-Lower from R.S. 111589 to 111020
    Main Bhagirathi-Lower from R.S. 110288 to 109773
    Main Bhagirathi-Lower from R.S. 109025 to 108467
    Main Bhagirathi-Lower R.S. 108015
    Main Bhagirathi-Lower from R.S. 107510 to 103093
    Main Bhagirathi-Lower R.S. 95135
    Main Bhagirathi-Lower R.S. 86809
    Main Bhagirathi-Lower from R.S. 79588 to 79248
    Main Bhagirathi-Lower R.S. 73848
    Main Bhagirathi-Lower R.S. 71975

    Writing Results to DSS

    **** The Model Has One Or More Error(s) ****

    Unsteady Flow Simulation Terminated
    Reading Data for Post Process
    Simulation went unstable at: 01Jun2021 01:00:00

    Running Post Processor HEC-RAS 5.0.7 March 2019

    Finished Post Processing

    Computations Summary

    Computation Task Time(hh:mm:ss)
    Completing Geometry(64) <1
    Preprocessing Geometry(64) <1
    Unsteady Flow Computations(64) <1
    Post-Processing(64) <1
    Complete Process 2

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