Issue regarding spectra processing of metabolomics data into metaboanalyst

I am facing an issue for processing my data into metaboanalyst web based tool. Please help me to fix this. Thank you.

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**ERROR:**inherits(x, “mzR”) is not TRUE
Error in PerformROIExtraction(datapath = “upload/QC/”, rt.idx = 0.9, plot = F, :
EXCEPTION POINT CODE: RMS1
Calls: ExecutePlan … perform.command → eval → eval → PerformROIExtraction
In addition: Warning messages:
1: In normalizePath(datapath) :
path[1]=“upload/QC/”: No such file or directory
2: In normalizePath(files) : path[3]=NA
Execution halted
srun: error: xiaserver10: task 0: Exited with exit code 1