Fatal error: (pjk) Uncaught Error: Call to undefined function json_decode() in /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack.php:6023 Stack trace: #0 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack.php(5932): Jetpack::validate_sync_error_idc_option() #1 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack-idc.php(57): Jetpack::check_identity_crisis() #2 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack-idc.php(48): Jetpack_IDC->__construct() #3 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack-idc.php(720): Jetpack_IDC::init() #4 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/load-jetpack.php(61): require_once('/afs/athena.mit...') #5 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/jetpack.php(194): require_once('/afs/athena.mit...') #6 /afs/athena.mit.edu/user/p/j/p in /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-content/plugins/jetpack/class.jetpack.php on line 6023

Fatal error: (pjk) Uncaught Error: Call to undefined function json_decode() in /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/class-wp-block-parser.php:232 Stack trace: #0 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/blocks.php(923): WP_Block_Parser->parse('FlatOn') #1 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/blocks.php(649): parse_blocks('FlatOn') #2 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/formatting.php(5088): filter_block_content('FlatOn', Array, Array) #3 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/class-wp-hook.php(307): wp_pre_kses_block_attributes('FlatOn', Array, Array) #4 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/plugin.php(191): WP_Hook->apply_filters('FlatOn', Array) #5 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/kses.php(909): apply_filters('pre_kses', 'FlatOn', Array, Array) #6 /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/kses.php(719): wp_kses_hook('FlatOn', Array, Array in /afs/athena.mit.edu/user/p/j/pjk/web_scripts/pkj/wp-includes/class-wp-block-parser.php on line 232