swatplus-61.0.2.61-gnu-lin_x86_64-Rel Floating-point exception

[Amanda Batlle Morera]

SWAT+ Issue Report Template

1. Primary Issue Location

• Component: SWAT+ Executable version swatplus-61.0.2.61-gnu-lin_x86_64-Re
• Area of impact: Running the calibrated model

2. Software Versions

• GIS Interface: Running SWAT+ through SWATrunR inside Linux Docker image

3. Project Characteristics

• Watershed Details: Size 88,053.449 ha ,  2,639  HRUs, located in Tordera, Catalonia, Spain
• Modeling Aim: flo_out

4. Description of Issue

• The Problem: I'm able to run the model using swat+ version "rev60.5.7_64rel_linux", and  with windowds "rev 61.0.2.61", but the latest release "swatplus-61.0.2.61-gnu-lin_x86_64-Rel",  is returning the following error:  
  
  • Last output:||  Date of Sim   5/ 5/2026 Time  12:15:45|| reading from pet file                   Time  12:15:45|| reading from precipitation file         Time  12:15:45|| reading from temperature file           Time  12:15:45|| reading from solar radiation file       Time  12:15:45|| reading from relative humidity file     Time  12:15:46|| reading from wind file                  Time  12:15:46|| reading from wgn file                   Time  12:15:46|| reading from wx station file            Time  12:15:46||  Original Simulation            1   1  2010 Yr    1 of   13 Time  12:15:47||||Error:||||Program received signal SIGFPE: Floating-point exception - erroneous arithmetic operation.||||Backtrace for this error:||#0  0xbe135f in ???||#1  0xb8e197 in wq_semianalyt_||#2  0xb8e03d in wq_k2m_||#3  0x532040 in ch_watqual4_||#4  0xa80f8c in sd_channel_control3_||#5  0x578311 in command_||#6  0xb1ac6b in time_control_||#7  0x866446 in MAIN__||#8  0x8668e8 in main||
• Step to Reproduce: Running the model for daily channel model component channel_sd_day, between 2010-01-01 to 2022-12-31 with 2 warm-up years. 

5. Supporting Data (Optional)

• Link to TxtInOut folder:"https://github.com/AmandaBatlle/AquaINFRAData/releases/download/Tordera_v6.0/TxtInOut_torderav6.zip"

[Nancy B. Sammons]

Amanda: 

Thank you for your email.  I will take a look and get back to you as soon as possible.

Nancy

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