Running examples in 'photobiologyLEDs-Ex.R' failed
The error most likely occurred in:

> ### Name: leds.mspct
> ### Title: Spectral irradiance for diverse LEDs
> ### Aliases: leds.mspct
> ### Keywords: datasets
> 
> ### ** Examples
> 
> library(photobiology)
> library(ggspectra)
For news about 'ggspectra', please, see https://www.r4photobiology.info/
For on-line documentation see https://docs.r4photobiology.info/ggspectra/
> 
> names(leds.mspct)
 [1] "BS436"           "CB30"            "LED405"          "LED740"         
 [5] "UV395"           "XSL365"          "XSL370"          "XSL375"         
 [9] "UVMAX340"        "UVMAX305"        "TY_UV310nm"      "white"          
[13] "Q36_4000K"       "G_P30R140A1_XT"  "weili430nm"      "weili540nm"     
[17] "weili665nm"      "weili740nm"      "HPR40E_48K30BG"  "NHXRGB090_R"    
[21] "NHXRGB090_G"     "NHXRGB090_B"     "NHXRGB090"       "B5_436_30D"     
[25] "FR_OLD"          "HLMB_CB30"       "HLMB_CD31_take2" "HLMP_CB31"      
[29] "HLMP_CM30"       "HLMP_CM31"       "HLMP_DJ32"       "HLMP_DL32"      
[33] "LED435_66_60"    "LED740_01AV"     "LY5436"          "QDDH66002"      
[37] "QDDH68002"       "QDDH70002"       "QDDH73502"       "LZ1_10UV00"     
[41] "LZ1_10UA00_U4"   "LZ1_10UA00_U8"   "LZ1_10DB00"      "LZ1_10R302"     
[45] "LZ4_10R208"      "NS6L183AT_H1"    "G_P3V140B1_G"    "G_P3V140B1_GT"  
[49] "G_P3V140A1_YG"   "G_P3V140A1_YG1"  "MTSM340UV_F5120"
> 
> leds.mspct$white
Object: source_spct [1,425 x 2]
Wavelength range 250.05 to 899.78 nm, step 0.43 to 0.48 nm 
Label: White LED from hardware store
supplier Clas Ohlsson, Finland 
Error in namespaceExport(ns, exports) : 
  undefined exports: %s!=%, %s!==%, %s+%, %s<%, %s<=%, %s==%, %s===%, %s>%, %s>=%, %stri!=%, %stri!==%, %stri+%, %stri<%, %stri<=%, %stri==%, %stri===%, %stri>%, %stri>=%, stri_datetime_add<-, stri_sub<-, stri_subset<-, stri_subset_charclass<-, stri_subset_coll<-, stri_subset_fixed<-, stri_subset_regex<-, stri_c, stri_c_list, stri_cmp, stri_cmp_eq, stri_cmp_equiv, stri_cmp_ge, stri_cmp_gt, stri_cmp_le, stri_cmp_lt, stri_cmp_neq, stri_cmp_nequiv, stri_compare, stri_conv, stri_count, stri_count_boundaries, stri_count_charclass, stri_count_coll, stri_count_fixed, stri_count_regex, stri_count_words, stri_datetime_add, stri_datetime_create, stri_datetime_fields, stri_datetime_format, stri_datetime_fstr, stri_datetime_now, stri_datetime_parse, stri_datetime_symbols, stri_detect, stri_detect_charclass, stri_detect_coll, stri_detect_fixed, stri_detect_regex, stri_dup, stri_duplicated, stri_duplicated_any, stri_enc_detect, stri_enc_detect2, stri_enc_fromutf32, stri_enc_get, stri_enc_inf
Calls: <Anonymous> ... print.generic_spct -> getWhenMeasured -> getWhenMeasured.generic_spct
Execution halted